The invention discloses an aircraft wing maintaining and hoisting auxiliary device, and belongs to the technical field of aircraft mounting. The aircraft wing maintaining and hoisting auxiliary devicecomprises a track walking mechanism, a track supporting mechanism, a rack, a supporting frame, a lower adjusting mechanism, an upper adjusting mechanism, a mounting seat and a control cabinet. The aircraft wing maintaining and hoisting auxiliary device successfully solves the problems that the wing span is large, the size is large, the weight is large, flexible moving is inconvenient, and the micro-adjusting precision of the hoisting height of a crane is not high, the mounting angle of mounting restoring of a wing is ensured, the aircraft wing maintaining and hoisting auxiliary device effectively solves the problems of structural and functional damage to a fuselage or the wing caused by inertia impact of the fuselage by the wing and up-down micro-adjusting during hoisting of the wing, anauxiliary bracket is mounted on the aircraft wing, manpower required for mounting is saved, and the mounting efficiency and the mounting quality of the aircraft wing are improved.