The utility model discloses a multipurpose plant tissue culture cutter tweezers which comprise two metal tweezers arms. Each tweezers arm comprises a fixing portion and a clamping portion. The fixing portions of the tweezers arms are fixedly connected, and a clamping area with the distance expanded gradually is formed between the clamping portions of the two tweezers arms. The cutter tweezers are characterized in that each fixing portion is bended outwards to extend to form the corresponding clamping portion, the clamping portion is of a slice structure, the clamping portion extends in the direction far away from the fixing portion to form a cutting portion, and edges are formed on two sides of the cutting portion. The cutter tweezers integrate functions of clamping and cutting, cutting is conducted conveniently, quickly and neatly by the cutting portions under matching of the clamping portions, cutting separation is conducted conveniently and accurately through simple operation, working time of technicians is greatly reduced, and seedling cutting separation can be finished through a single hand.