The maintenance work of boring machine is mainly to pay attention to cleaning, lubrication and reasonable operation. The Daily maintenance work is divided into the following three stages: 1 before the work begins. Check the machine tool parts are intact, the handle position is normal; clean the parts of the machine tool, observe the lubrication device, the machine tool guide surface directly poured oil lubrication; 2) in the process of work. The main is the correct operation, does not allow the machine to overload the work, can not use precision machine tools for roughing and so on. During the work process found that the machine tool has any abnormal phenomenon, should immediately stop check. 3) After the work is over. Clean the parts of the machine tool, move the moving parts of the machine to the specified position and turn off the power.