A multicenter, randomized, open, positive drug parallel controlled clinical trial on the efficacy and safety of Pien Tze Huang Capsule combined with Compound Pien Tze Huang Hemorrhoid Ointment after operration of mixed hemorrhoids

INTERVENTION: Two groups:Tze Huang capsule+compound Pien Tze Huang Hemorrhoid Ointment vs Mayinglong Musk Hemorrhoids Cream; CONDITION: After operration of mixed hemorrhoids PRIMARY OUTCOME: ?????? Anal margin edema score;VAS score of pain at 6h, 24h, 48h and 72h after operation AUC6‐72h; INCLUSION CRITERIA: (1) Patients with clinical diagnosis of mixed hemorrhoids, who plan to undergo external stripping and internal ligation under spinal anesthesia, and who use electric knife for external hemorrhoids surgery; (2) Age at the time of informed consent is 18‐60 years old (including 18 and 60 years old), and gender is unlimited; (3) The subjects voluntarily joined the study and signed the written informed consent.