Maintenance can't be left in the era when fixed personnel carry out maintenance. More professional teams are needed to carry out special maintenance. Nowadays, electronic equipment, computers, software and other technologies have more and more influence on aircraft flight, and the professional requirements for maintenance are extremely high, so it is imperative to form a more professional team. Professional maintenance team can ensure that all important aspects of the aircraft can receive professional maintenance, and reduce the secondary damage to the aircraft caused by unprofessional maintenance. Updating maintenance equipment is also a way for professional teams. Using more professional maintenance equipment for maintenance can better improve the maintenance quality and give full play to the technical ability of professional maintenance personnel.