Anal fissures and mixed hemorrhoids are treated with different surgical methods. Anal fissure can be treated with anal fissure resection and partial sphincter dissection; mixed hemorrhoids can usually be treated with external and internal dissection of mixed hemorrhoids. 1. Anal fissure excision surgery is by way of total excision of the complete wound, including excision of lower anterior sentinel hemorrhoids as well as upper anal papillae hypertrophy, for anal fissure treatment; sphincter partial dissection is by way of cutting off a part of sphincter to relieve sphincter spasms, pain, and after the operation, the wound slowly heals, to achieve the purpose of treating anal fissure. 2. Mixed hemorrhoids can use mixed hemorrhoids external peeling and internal ligation surgery for treatment, for patients with more serious symptoms, you can also at the same time local use of internal hemorrhoids hardening injections, such as eliminating hemorrhoid injection and other drug injections for treatment. Patients in the operation should choose regular hospitals, clear diagnosis, to be appropriate treatment program. In the postoperative care change, such as discomfort in a timely manner, so as not to delay the condition of the impact of postoperative recovery.