diff --git a/Assets/Scenes/Scheduler.unity b/Assets/Scenes/Scheduler.unity
index 408210c..3a6d32e 100644
--- a/Assets/Scenes/Scheduler.unity
+++ b/Assets/Scenes/Scheduler.unity
@@ -769,6 +769,7 @@ GameObject:
   - component: {fileID: 96677239}
   - component: {fileID: 96677241}
   - component: {fileID: 96677242}
+  - component: {fileID: 96677243}
   m_Layer: 5
   m_Name: Data Scheduler
   m_TagString: Untagged
@@ -820,6 +821,7 @@ MonoBehaviour:
   summaryManager: {fileID: 1754978061}
   fcfsScheduler: {fileID: 96677239}
   sjfScheduler: {fileID: 96677242}
+  sjfPreemptiveScheduler: {fileID: 96677243}
   SchedulerTime: 0
   running: 0
   ProcessList: []
@@ -853,6 +855,20 @@ MonoBehaviour:
   m_EditorClassIdentifier: 
   scheduler: {fileID: 96677240}
   chartMaker: {fileID: 96677241}
+--- !u!114 &96677243
+MonoBehaviour:
+  m_ObjectHideFlags: 0
+  m_CorrespondingSourceObject: {fileID: 0}
+  m_PrefabInstance: {fileID: 0}
+  m_PrefabAsset: {fileID: 0}
+  m_GameObject: {fileID: 96677237}
+  m_Enabled: 1
+  m_EditorHideFlags: 0
+  m_Script: {fileID: 11500000, guid: fed2c40f90adca343a3fd328f7f3a985, type: 3}
+  m_Name: 
+  m_EditorClassIdentifier: 
+  scheduler: {fileID: 96677240}
+  chartMaker: {fileID: 96677241}
 --- !u!1 &182682647
 GameObject:
   m_ObjectHideFlags: 0
@@ -5734,7 +5750,7 @@ MonoBehaviour:
   m_HandleRect: {fileID: 969577460}
   m_Direction: 0
   m_Value: 0
-  m_Size: 0.99998224
+  m_Size: 0.99999845
   m_NumberOfSteps: 0
   m_OnValueChanged:
     m_PersistentCalls:
@@ -10343,7 +10359,7 @@ RectTransform:
   m_LocalEulerAnglesHint: {x: 0, y: 0, z: 0}
   m_AnchorMin: {x: 0, y: 1}
   m_AnchorMax: {x: 1, y: 1}
-  m_AnchoredPosition: {x: 0.00061035156, y: 0}
+  m_AnchoredPosition: {x: 0, y: 0}
   m_SizeDelta: {x: 0, y: 0}
   m_Pivot: {x: 0.5, y: 1}
 --- !u!114 &1518418616
diff --git a/Assets/src/PropertiesData.cs b/Assets/src/PropertiesData.cs
index 64d98c8..69f83c1 100644
--- a/Assets/src/PropertiesData.cs
+++ b/Assets/src/PropertiesData.cs
@@ -6,7 +6,7 @@ public class PropertiesData : MonoBehaviour
     public int ArrivalTime = 0;
     public int BurstTime = 1;
     public int Priority = 0;
-
+    public float remainingBurstTime = 0;
     public void UpdateProcessName(string _ProcessName)
     {
         ProcessName = _ProcessName;
@@ -24,6 +24,7 @@ public void UpdateBurstTime(string _BurstTime)
         try
         {
             BurstTime = int.Parse(_BurstTime);
+            remainingBurstTime = BurstTime;
         }
         catch { }
     }
diff --git a/Assets/src/SJFPreemptiveScheduler.cs b/Assets/src/SJFPreemptiveScheduler.cs
new file mode 100644
index 0000000..878beee
--- /dev/null
+++ b/Assets/src/SJFPreemptiveScheduler.cs
@@ -0,0 +1,84 @@
+using System.Collections.Generic;
+using UnityEngine;
+
+public class SJFPreemptiveScheduler : MonoBehaviour
+{
+    public Scheduler scheduler;
+    public ChartMaker chartMaker;
+    private List<PropertiesData> arrived;
+    private List<PropertiesData> waiting;
+    bool running = false;
+    bool processing = false;
+    PropertiesData CurrentlyProcessing;
+    private float ProcessorFreeAt = 0.0f;
+    private float ProcessStartedAt = 0.0f;
+    public void run()
+    {
+        waiting = new List<PropertiesData>();
+        arrived = new List<PropertiesData>();
+        foreach (var _process in scheduler.ProcessList)
+        {
+            waiting.Add(_process);
+        }
+        running = true;
+    }
+    void Update()
+    {
+        if (running)
+        {
+            for (int i = 0; i < waiting.Count; i++)
+            {
+                PropertiesData propertiesData = waiting[i];
+                if (scheduler.SchedulerTime >= propertiesData.ArrivalTime)
+                {
+                    arrived.Add(propertiesData);
+                    waiting.Remove(propertiesData);
+                }
+            }
+            if (!processing)
+            {
+                if (arrived.Count > 0)
+                {
+                    float minBurst = arrived[0].BurstTime;
+                    CurrentlyProcessing = arrived[0];
+                    for (int i = 0; i < arrived.Count; i++)
+                    {
+                        PropertiesData processes = arrived[i];
+                        if (processes.BurstTime < minBurst)
+                        {
+                            minBurst = arrived[i].BurstTime;
+                            CurrentlyProcessing = arrived[i];
+                        }
+                    }
+                    arrived.Remove(CurrentlyProcessing);
+                    processing = true;
+                    ProcessorFreeAt = Mathf.Min(CurrentlyProcessing.BurstTime, 1);
+                    ProcessStartedAt = scheduler.SchedulerTime;
+                    chartMaker.GenerateChartElement(CurrentlyProcessing.ProcessName, scheduler.SchedulerTime);
+                }
+            }
+            else
+            {
+                ProcessorFreeAt -= Time.deltaTime * Time.timeScale;
+                if (ProcessorFreeAt <= 0)
+                {
+                    if (CurrentlyProcessing.remainingBurstTime <= 0)
+                    {
+                        scheduler.makeSummary(CurrentlyProcessing);
+                    }
+                    else
+                    {
+                        CurrentlyProcessing.remainingBurstTime -= (scheduler.SchedulerTime - ProcessStartedAt);  //1
+                        arrived.Add(CurrentlyProcessing);
+                    }
+                    processing = false;
+                    if (waiting.Count == 0 && arrived.Count == 0)
+                    {
+                        running = false;
+                        scheduler.running = false;
+                    }
+                }
+            }
+        }
+    }
+}
diff --git a/Assets/src/SJFPreemptiveScheduler.cs.meta b/Assets/src/SJFPreemptiveScheduler.cs.meta
new file mode 100644
index 0000000..c4c8051
--- /dev/null
+++ b/Assets/src/SJFPreemptiveScheduler.cs.meta
@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: fed2c40f90adca343a3fd328f7f3a985
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 
diff --git a/Assets/src/SJFScheduler.cs b/Assets/src/SJFScheduler.cs
index 48f7e8a..1c07a21 100644
--- a/Assets/src/SJFScheduler.cs
+++ b/Assets/src/SJFScheduler.cs
@@ -1,5 +1,4 @@
-using System.Collections;
-using System.Collections.Generic;
+using System.Collections.Generic;
 using UnityEngine;
 
 public class SJFScheduler : MonoBehaviour
diff --git a/Assets/src/Scheduler.cs b/Assets/src/Scheduler.cs
index db89736..fbd7bea 100644
--- a/Assets/src/Scheduler.cs
+++ b/Assets/src/Scheduler.cs
@@ -7,6 +7,7 @@ public class Scheduler : MonoBehaviour
     public SummaryManager summaryManager;
     public FCFSScheduler fcfsScheduler;
     public SJFScheduler sjfScheduler;
+    public SJFPreemptiveScheduler sjfPreemptiveScheduler;
     [HideInInspector] public float SchedulerTime; 
     [HideInInspector] public bool running = false;
     [HideInInspector] public List<PropertiesData> ProcessList;
@@ -24,7 +25,7 @@ public void RunScheduler()
         {
             if (tabData.preemptive)
             {
-
+                sjfPreemptiveScheduler.run();
             }
             else
             {