1, G-CSF 100µg plus saline 50ml rectal administration, such as pain plus lidocaine 5ml. 2, formaldehyde (proctoscopy under direct vision local use of 4% formalin wet compresses), better hemostatic effect, but the side effects are also more obvious. 3, Chinese medicine retention enema: ① Wu Jin oral liquid 20ml plus Zhi Kang capsule 4 (remove the capsule) retention enema, lidocaine 2-5ml. ② Compound Yunnan Baiyao enema solution Yunnan Baiyao 2.4g furazolidone 3g epinephrine 1mg procaine hydrochloride 5g sodium hydroxymethylcellulose 20g add distilled water to 1000ml plus temperature 36-38°C retention enema. ③ Saline 15ml Dexamethasone 5mg Flavopiridol 0.3g Belladonna combination 10ml Retention enema Jinin peptide 5ml Rectal administration 4. Simultaneous administration of hyperbaric oxygen therapy can receive better results.