The invention discloses an intelligent civil aviation automatic control system, including a machine body and a cylindrical storage cavity arranged in the machine body and having an upward opening. Anannular sliding groove is arranged and communicates with an inner wall of the cylindrical storage cavity, symmetrical guide grooves located at the top of the annular sliding groove are arranged in left and right inner wall bodies of the cylindrical storage cavity in a penetrating manner, the bottom of the cylindrical storage cavity is provided with a first cavity, a circular ring block is connected in the annular sliding groove in a sliding fit mode, a cylindrical cavity is arranged in the circular ring block in a vertical penetrating manner, horizontally symmetrical and vertically extending lifting threaded rods are connected in the circular ring block in a screw thread fit manner, and bottom extending tail ends of the lifting threaded rod stretch into the first cavity and end parts are provided with first belt wheels. The intelligent civil aviation automatic control system provided by the invention is simple in structure and convenient to operate, and has a long service life, excellent price and relatively high practical performance.