Adenomas are generally benign tumors that occur in the glandular epithelium and are usually not serious. Adenomas are commonly found in endocrine glands such as the breast, ovary, thyroid, or in the intestines, stomach and liver. They develop slowly, form restricted nodules with a papillary or polypoid surface, and can usually be removed and treated as early as possible. Adenomas usually grow slowly and only locally without distant metastasis or peripheral invasion, which has relatively little effect on the patient’s body, and is commonly associated with symptoms such as obstruction of the lumen and localized compression. Generally, adenomas have a peripheral membrane and are clearly demarcated from the surrounding normal tissues, and can be cured after surgical removal. A small number of adenomas may have malignant changes, such as colorectal adenomas and thyroid adenomas, etc. If malignant change occurs, it will be more serious, so it is recommended to have regular checkups for early detection and early treatment. If adenomas are detected, patients are advised to follow their doctor’s instructions and undergo timely surgical treatment to completely remove the diseased tissue.