Transverse colon tubular adenoma is a benign lesion. Transverse colon tubular adenoma is a lesion on the surface of the transverse colon that bulges into the intestinal lumen. It is a benign lesion that can be removed colonoscopically, and its removal usually leads to a complete cure. Colonic adenomas have the potential for malignant transformation. Larger colonic adenomas have an increased chance of malignant transformation, and lesions larger than 1cm need to be resected in a timely manner to avoid malignant transformation. Transverse colon tubular adenoma patients diet is recommended to be light, should not eat spicy, stimulating food, quit smoking and alcohol, avoid staying up late, appropriate exercise, good weight control, maintain good habits. After the resection of colonic tubular adenoma, regular review is also needed to clarify whether the recurrence. Tubular adenoma of transverse colon should be resected in time, early detection, early diagnosis, early treatment, the malignant rate of benign lesions is not high, no need to worry too much.