Thrombosed hemorrhoids that have not gone down for 20 days are usually associated with poor diet, bad lifestyle habits, constipation, blood circulation disorders and other factors. 1. Bad diet: for example, eating spicy and stimulating food for a long time, resulting in repeated irritation of the anus, may affect the recovery of thrombosed hemorrhoids, the course of the disease lasts for a long time. 2. Poor living habits: prolonged sitting or standing and inactivity may cause thrombosed hemorrhoids to fail to dissipate. 3. Constipation: Having persistent constipation, failing to deal with it in time and irritating the anal opening every time you defecate can easily lead to thrombosed hemorrhoids lasting for a long time. 4. Blood circulation disorders: when the local blood circulation is not good, long-term stagnation, will also affect the thrombosed hemorrhoids recovery. Thrombosed hemorrhoids 20 days has not been eliminated, it is necessary to take surgical treatment, such as thrombus stripping excision, modified thrombus stripping excision, but the specific should be carried out under the guidance of a professional physician. It is recommended that patients go to the hospital in time to avoid delaying their condition and affecting their health.