When a perianal abscess develops to a certain extent, more pus in the cavity and thinner skin tissue may break down on its own, which is equivalent to the effect of incision and drainage. If it is convenient to go to the hospital, first go to the hospital to find a specialist to check, if it is not convenient to go to the hospital you can temporarily deal with it as follows: 1. Wound treatment, if there is more pus, gently squeeze around the rupture, squeeze the pus in the pus cavity as clean as possible, then disinfect with local iodophor and cover with sterile gauze, keep the area around the anus clean, dry and breathable, insist on warm water sitz bath and wound cleaning after stool and before going to bed. You can also use the doctor’s medicine to take a sitz bath and then disinfect with iodine volts, which can effectively prevent infection and facilitate wound healing; 2. Avoid eating spicy and stimulating food, cold and greasy food.