Pruning shears with telescopic function

The utility model discloses a pair of pruning shears with a telescopic function, relates to the technical field of auxiliary devices for gardening pruning, and aims to solve the problem that the use difficulty of workers is increased due to the fact that the conventional pruning shears are not convenient to stretch when being used. A movable square block is arranged on one side of the pruning shear head, a fixed outer column block is arranged outside the movable square block, a square block sliding groove is formed in one end of the fixed outer column block, sliding transverse grooves are formed in the two ends of the square block sliding groove, a movable square block is arranged outside the fixed outer column block, and a sliding groove is formed in the other end of the fixed outer column block. A main threaded column is arranged on one side of the movable square block, auxiliary threaded columns are arranged on the two sides of the main threaded column, an anti-skid pressing block is arranged on one side o