Technician type of work refers to the type of work that has a certain technical level and can independently complete certain technical tasks. Technicians usually acquire relevant technical knowledge and skills through vocational training, can use what they have learned to solve practical problems, and have certain innovation ability and practical experience. The types of technicians cover many industries and fields such as mechanical manufacturing, electronic and electrical, automobile maintenance, construction and so on. Technician posts play an important role in social production and are an important force to promote economic development and improve production efficiency.