Generally speaking, normal levels of androgens are good for men, but over-exuberance is generally bad. Androgen is an important factor in the maintenance of male secondary sex characteristics, and it has benefits for men such as promoting sperm production and secondary sex characteristics development; however, over-exuberant secretion may cause acne, emotional abnormalities, abnormal body hair, and other bad effects. 1.Benefits: (1) Promote spermatogenesis: androgens can provide a suitable environment for sperm to live and maintain normal male libido. (2) Promote the development of male secondary sexual characteristics: such as the emergence of throat knots, beard, pubic hair, armpit hair and so on. It can also make the voice thicker, the bones thicker and more muscular. 2.Bad effects: (1) Acne: male androgen secretion is vigorous, which may make the skin sebaceous glands secrete vigorously and clog pores leading to acne. (2) Emotional abnormalities: Androgens can cause an increase in the body’s metabolic level, causing mood swings. (3) Abnormal body hair: Excessive secretion of androgens may cause baldness. People with hyperandrogenism are advised to seek prompt medical attention.