Disease analysis: Hello! After circumcision 1 1 day, frenulum swelling may be related to local friction, inflammation and frequent erection of penis. You can apply anti-inflammatory ointment after local iodophor disinfection and take anti-inflammatory drugs orally to control infection. You can also use 1:: 500 potassium permanganate to soak in warm water to reduce inflammation and swelling. Suggestion: Pay attention to rest, avoid local friction, avoid masturbation, avoid all factors of penis erection, eat more fresh fruits and vegetables, avoid spicy food, avoid alcohol and tobacco.