Surgical tissue scissors have the following roles: first, cut the tissue inside the traumatic wound, usually cut due to local contusion is more serious, the loss of blood necrotic tissue, or more serious contamination, through the cleaning of the wound can not be cleaned up the tissue, usually given to cut the debridement treatment. Secondly, it is used to cut off the tissues and expose the tumors or organs that need to be exposed, such as the subcutaneous tissues, fascia, mucous membranes and so on on the surface of the swelling, and then cut them off and expose them after separating them bluntly with hemostatic forceps. Thirdly, it is used for amputation or vascular anastomosis, etc., to cut blood vessels after vascular ligation.