The invention discloses a flower-plant pruning machine and relates to a tool for pruning the flowers and plants, in particular to the flower-plant pruning machine. The problem to be solved is that a plurality of flower-plant cultivation enthusiasts prune the flowers and plants by using some ordinary scissors, and the pruning of larger woody plants becomes a difficult problem because the woody plants grow quickly, branches and leaves grow dense and branches are strong and thick, then the pruning is quite difficult. The technical proposal to solve the problem existing in the background technology is that: the flower-plant pruning machine mainly comprises a motor, a handle, a swing rod, a drive shaft, a slide groove, a master blade, a slave blade and the like. The flower-plant pruning machine has small volume, light weight, simple operation, large pruning area and convenient pruning due to having a two-side tool bit.