The invention discloses an intelligent multi-axis flight device for line routine inspection. The intelligent multi-axis flight device comprises a main high-definition camera, an anti-collision net, a main propeller, a secondary propeller, driving motors, a fixed bracket, a bearing, a circuit board, a lithium battery, a connecting rod, a hanging basket, a data processing transmitter, an aircraft connecting shaft and an aircraft, wherein the aircraft comprises a fixed ball journal, flight wings and a gyroscope; the aircraft connecting shaft is fixed under the fixed ball journal 161; the hanging basket is fixed at the lower end of the aircraft connecting shaft; the data processing transmitter is arranged on the top of the hanging basket; the lithium battery and the circuit board are arranged on the connecting rod; the bearing, a transmission system, the two driving motors and one rotating shaft are additionally arranged at the lower end of the connecting rod; the anti-collision net consists of multiple steel wires; and the main propeller and the secondary propeller are both arranged on the rotating shaft. The intelligent multi-axis flight device has such advantages of wide detecting visual field, simple overall structure and low production cost and can perform routine inspection on high voltage transmission lines according of instructions of workers.