In the operation of perianal abscess, for the perianal abscess with a high location of the inner mouth or perianal abscess with a high blind end of the pus cavity, the general use of hanging rubber bands to cut through the pus cavity and deal with the inner mouth, hanging rubber bands will use the elasticity to cut this part of the sphincter, this part of the sphincter will gradually necrotic, give it a cut off, it is a slow process, it will not cause anal incontinence because of the sudden rupture of the anal sphincter, this is a safer practice. A safer practice. The rubber band keeps cutting this part of the sphincter, and when the sphincter is finished cutting, the rubber band will fall off automatically, so you don’t need to cut it in a special way. A week or so after the operation, if the elasticity of the rubber band is not so big, the rubber band will be tightened under local anesthesia, and it will play the role of cutting the sphincter again, without having to cut off the rubber band in a special way.