diff --git a/user_data/strategies/Strategy002.py b/user_data/strategies/Strategy002.py
index 2fc5cfce4..813a8ba1f 100644
--- a/user_data/strategies/Strategy002.py
+++ b/user_data/strategies/Strategy002.py
@@ -13,6 +13,9 @@ import freqtrade.vendor.qtpylib.indicators as qtpylib
 import numpy # noqa
 from datetime import datetime
 import subprocess
+import threading
+
+from user_data.strategies.util import thread_executor, IS_BACKTEST, launcher, back_tester
 
 
 class Strategy002(IStrategy):
@@ -162,6 +165,9 @@ class Strategy002(IStrategy):
         """
         mode = "test"
         coin = pair.split("/")[0]
-        subprocess.call("python3 /root/workspace/execution/launcher.py " + mode + " " + coin, shell=True)
+        if IS_BACKTEST:
+            threading.Thread(target=back_tester, args=(current_time, coin)).start()
+        else:
+            threading.Thread(target=launcher, args=(mode, coin)).start()
         return True
 
diff --git a/user_data/strategies/Strategy003.py b/user_data/strategies/Strategy003.py
index 3856e9a50..2b64cdf15 100644
--- a/user_data/strategies/Strategy003.py
+++ b/user_data/strategies/Strategy003.py
@@ -1,5 +1,7 @@
 
 # --- Do not remove these libs ---
+import threading
+
 from freqtrade.strategy.interface import IStrategy
 from typing import Dict, List
 from functools import reduce
@@ -12,6 +14,9 @@ import numpy # noqa
 from datetime import datetime
 import subprocess
 
+from user_data.strategies.util import IS_BACKTEST, back_tester, launcher
+
+
 class Strategy003(IStrategy):
     """
     Strategy 003
@@ -175,5 +180,8 @@ class Strategy003(IStrategy):
         """
         mode = "test"
         coin = pair.split("/")[0]
-        subprocess.call("python3 /root/workspace/execution/launcher.py " + mode + " " + coin, shell=True)
+        if IS_BACKTEST:
+            threading.Thread(target=back_tester, args=(current_time, coin)).start()
+        else:
+            threading.Thread(target=launcher, args=(mode, coin)).start()
         return True
\ No newline at end of file
diff --git a/user_data/strategies/Strategy004.py b/user_data/strategies/Strategy004.py
index 3645b17dc..ef0b6b87f 100644
--- a/user_data/strategies/Strategy004.py
+++ b/user_data/strategies/Strategy004.py
@@ -1,4 +1,6 @@
 # --- Do not remove these libs ---
+import threading
+
 from freqtrade.strategy import IStrategy
 from typing import Dict, List
 from functools import reduce
@@ -9,6 +11,8 @@ import subprocess
 
 import talib.abstract as ta
 
+from user_data.strategies.util import IS_BACKTEST, back_tester, launcher
+
 
 class Strategy004(IStrategy):
     """
@@ -176,5 +180,8 @@ class Strategy004(IStrategy):
         """
         mode = "test"
         coin = pair.split("/")[0]
-        subprocess.call("python3 /root/workspace/execution/launcher.py " + mode + " " + coin, shell=True)
+        if IS_BACKTEST:
+            threading.Thread(target=back_tester, args=(current_time, coin)).start()
+        else:
+            threading.Thread(target=launcher, args=(mode, coin)).start()
         return True
diff --git a/user_data/strategies/util.py b/user_data/strategies/util.py
new file mode 100644
index 000000000..5e0bb60ee
--- /dev/null
+++ b/user_data/strategies/util.py
@@ -0,0 +1,11 @@
+import subprocess
+
+IS_BACKTEST = False
+
+EXECUTION_PATH = "/root/workspace2/execution/"
+
+def launcher(mode, coin):
+    subprocess.call("python3 "+EXECUTION_PATH+"launcher.py " + mode + " " + coin, shell=True)
+
+def back_tester(date_time, coin):
+    subprocess.call("python3 "+EXECUTION_PATH+"back_tester.py " + date_time + " " + coin, shell=True)