Functional pituitary microadenoma can be treated with medication, surgery, radiotherapy and other treatments. 1. Drug treatment: commonly used drugs such as bromocriptine mesylate tablets and testosterone undecanoate gel pills. The drugs should be used under the guidance of doctors. (1) Bromocriptine Mesylate Tablets: It is suitable for the conservative treatment of lactotrophic pituitary tumors. It is forbidden for those who are allergic to bromoergot cyclic peptide and any of the components of this product or other ergot alkaloids, and adverse reactions such as nausea, vomiting, headache, vertigo, or fatigue may occur. (2) Testosterone undecanoate gel pills: for functional pituitary microadenomas of the testis. It is contraindicated in men with confirmed or suspected prostate or breast cancer, pregnant and breastfeeding women, and adverse reactions such as water and salt retention may occur. 2. Surgery: Surgery to remove the tumor is the most common form of treatment. 3. Radiotherapy and chemotherapy: they are effective for functional pituitary microadenomas, which can control the development of the tumor and sometimes make the tumor shrink and improve the vision and field of vision, but it is difficult to cure it. It is suggested that patients should go to the hospital in time for consultation and treatment, improve the examination to clarify the cause of the disease, and carry out the treatment under the guidance of the doctor.