① The tool setting should be accurate, and the tool compensation number should be consistent with the program call tool number;
②Check whether the position of each function button of the machine tool is correct;
③The cursor should be placed at the head of the main program;
④Fill appropriate amount of coolant;
⑤The standing position should be appropriate. When starting the program, prepare to press the stop button with your right hand. When the program is running, you cannot leave the stop button. If there is an emergency, press the stop button immediately.