Infectious proctitis can be treated with antibiotics. Gay men with nonspecific proctitis can use doxycycline (100mg, twice a day) or trimethoprim-sulfamethoxazole (160/800mg, taken orally, twice a day) or ciprofloxacin (500mg, twice a day) according to experience, and the course of treatment is 7 days. Metronidazole for antibiotic-associated enteritis. 7 ~ 10 four times a day) or vancomycin (250mg, orally, 7 ~ 10 four times a day). The treatment of radiation proctitis is similar to that of nonspecific proctitis, and its papules include topical foam corticosteroid (hydrocortisone 90mg) or enema (containing hydrocortisone 100mg or prednisone) or melamine (4g), enema during sleep for 3-6 weeks, melamine suppository 500mg, 1 time or twice a day, and melamine 800mg, twice a day.