The invention relates to a running log acquisition method, which is used for acquiring running logs of programs including a function which executes predefined process and a step changing the address of the loaded function which executes predefined process into the address of the function to acquire the running log; wherein the function to acquire the running log comprises the following steps: analyzing the traced function name firstly; if the function name is not in the form of C++ decoration name, the running log of the function is acquired in the normal mode; if the function name is C++ decoration name, the decoration is removed from the decoration name according to a compiler rule and the information after removing the decoration is acquired; the information after removing the decoration comprises the function name and function parameter information such as function parameter type, calling convention and function return type, etc.; the acquired information after removing the decoration is used as a function definition file to acquire the running log and displays the running log in the form after removing the decoration.