The invention discloses adjustable scissors for orchard trimming. The scissors comprise scissor bodies and scissor installing blocks which are arranged at the bottoms of the scissor bodies, the scissor bodies comprise scissor fixing handles and scissor moving handles, telescopic handles are installed at the bottoms of the scissor installing blocks, the scissor installing blocks and the telescopichandles are rotatably connected through rotary mechanisms, one ends of the scissor fixing handles are provided with braking strip pipelines, braking strip wire ropes penetrate through the braking strip pipelines, the ends of the braking strip wire ropes are fixedly connected with the inner side faces of the scissor moving handles, pedaling plates are connected with the other ends of the braking strip wire ropes along the braking strip wire ropes, pedaling seats are arranged at the bottoms of the pedaling plates, supporting rods are arranged on the pedaling bases, and the supporting rods and the braking strip pipelines are fixedly connected through fixing buckles, scissor restoring springs are fixedly connected with the outer side faces of the scissor moving handles, and fixing rods are connected with the other ends of the scissor restoring springs. The scissors have the advantages of labor-saving operation, fast trimming speed, high working efficiency and the like.