The invention discloses an automobile air conditioner mode air damper control mechanism, which comprises a defrosting air damper, a defrosting air damper rotating shaft, a defrosting air damper driving rod, a face air damper, a face air damper rotating shaft, a face air damper driving rod, a foot air damper, a foot air damper rotating shaft, a foot air damper driving rod and a mode air damper driving plate which is used for driving three air dampers to rotate to control air conditioner air outlet modes, wherein a face / defrosting air damper movement track groove and a foot air damper movement track groove are arranged on the mode air damper driving plate; the foot air damper, the foot air damper driving rod, a foot air damper movable connecting rod and a foot air damper fixed connecting rod form a four-link mechanism; one ends of the face air damper driving rod and the defrosting air damper driving rod are arranged in the face / defrosting air damper movement track groove; and one end of the foot air damper fixed connecting rod is arranged in the foot air damper movement track groove. The automobile air conditioner mode air damper control mechanism has the advantages of simple transmission process, compact structure, high stability and low cost.