High-grade tubular adenomas of the intestinal tract are a kind of intestinal polyposis, which can be treated with general treatment and surgery. 1. General treatment: For the abdominal pain and diarrhea caused by intestinal polyps, take cotrimoxazole hydrochloride, loperamide and other medications as prescribed by the doctor. In daily life, we should pay attention to regular work and rest, ensure sufficient sleep; adjust the diet, abstain from smoking and alcohol. After resection of intestinal adenoma, there is still a risk of recurrence, so it is necessary to pay attention to regular follow-up examinations. 2. Surgery: High-grade tubular adenomas of the intestines have the risk of cancer, especially those >2cm. Surgery is the main treatment. Surgical methods include enteroscopic hot biopsy forceps removal, loopers polypectomy, endoscopic mucosal resection, etc. If malignancy is suspected, traditional open surgical treatment can be considered. After diagnosis, regardless of whether surgery, should be timely review.