Anal thrombosis is caused by long-term increased abdominal pressure and constipation, which leads to swelling of the hemorrhoid nucleus and stasis of the hemorrhoid veins to form thrombus. Do not be nervous after the appearance of anal thrombosis, first of all, you can carry out medication, oral anti-swelling medication, such as Mai Zhi Ling 300mg, twice a day can improve the perianal microcirculation, play a role in reducing the swelling. The perianal fumigation can also be carried out, such as the application of Wu Bei Zi Tang or bitter ginseng soup, perianal fumigation can play a role in reducing swelling, clearing heat and dampness, detoxification. Oral Chinese medicine treatment can be taken, such as blood activating and dispersing stasis soup can play a role in regulating qi, resolving stasis and eliminating swelling, and also oral tonic Chinese and qi soup can play a role in regulating qi and strengthening the spleen, thus promoting the absorption of anal thrombus mechanization. If the anal thrombus gradually increases after conservative treatment and the painful symptoms gradually worsen, you should also actively perform surgical treatment, such as thrombectomy or hemorrhoidectomy, to fundamentally remove the hemorrhoid and take out the thrombus formed around the anus. After the operation, pain relief, anti-inflammation and hemostasis should be given, and the perianal wound should be changed frequently to promote the healing of the wound.