Pituitary adenoma is a benign tumor of the pituitary gland that has a high incidence in the population. Pituitary adenomas not only cause headaches and vision loss, but also endocrine disorders such as decreased sexual function, infertility, menstrual disorders, and changes in the face and limbs. Pituitary tumors are more likely to occur in young and middle-aged people, and they can cause serious damage to the growth, development, labor ability, and reproductive function of patients, as well as a series of psychosocial effects. The most common functional adenomas are divided into prolactin, growth hormone, adrenocorticotropic hormone, thyrotropin, gonadotropic hormone, and polysecretory adenomas. Why do pituitary tumors produce these symptoms? Hypogonadism refers to impotence and decreased libido. These patients often complain that they have no desire to have sex with their wives no matter how long the interval is, or they complain that they are not interested in sex at all, and they only have sex occasionally when their wives take the initiative to ask for it. The literature shows that about 60% of pituitary tumor patients have sexual dysfunction, but the actual situation is much higher than this figure, because our tradition has been very conservative about sex, and some people are often reluctant to talk about it. (1) Pituitary tumors cause hypogonadism due to compression of normal pituitary tissues and damage from radiation therapy, which affects the hypothalamic-pituitary-gonadal axis in the body, resulting in insufficient gonadotropin secretion, further leading to hypogonadism. (2) Prolactinomatous pituitary microadenoma, which manifests as menopause, lactation and infertility in women and impotence and hypogonadism in men, may be related to hyperprolactinemia, which inhibits gonadotropin release, reduces pituitary responsiveness and decreases testosterone production, and testosterone supplementation alone is not effective in this case. (3) Thyrotropin adenoma is due to hypothyroidism and slow systemic metabolism, which reduces estrogen and androgen metabolism in the body with the lack of thyroxine. (4) Adrenocorticotropic hormone type and growth hormone type pituitary adenoma patients caused by obesity is also one of the reasons for low sexual function. Prolactin adenoma accounts for more than half of pituitary adenomas. Due to the influence of high prolactin secretion and the reduction of estrogen, female patients often show a significant decrease in menstrual flow, lactation (wetting of underwear in contact with nipples), which leads to amenorrhea and infertility, and has a great impact on physical and mental health and family life. However, if the patient is treated in a neurosurgical specialty, it is easy to be detected at an early stage, which requires medical workers in obstetrics and gynecology and infertility specialties to raise awareness of pituitary tumors and guide patients in proper treatment. The pain is mainly located behind the orbits, in the forehead and near the temples bilaterally, and is mild and intermittent. Since the pituitary tumor originates in the saddle of the butterfly at the base of the skull, the saddle is surrounded by dense bone and only the tough saddle septum is covered above. Patients often feel that after a sudden severe headache, the pain is obviously reduced or relieved, but if no treatment is given, with the growth of tumor, the pain will still appear. Pituitary tumor in the butterfly saddle can break through the saddle base and grow downward, and invade important blood vessels and nerves in both sides of the skull, but the most common way of growth is to develop up the saddle and compress the optic cross and optic nerve, which causes vision loss and visual field impairment. Patients often complain of vision loss, not being able to see both sides, and always hitting the door. If visual field impairment occurs, surgery is needed as soon as possible to release the compression on the optic nerve and save vision. If it is accompanied by growth in other directions, it is called invasive pituitary adenoma, which is significantly more difficult to treat and difficult to remove at once. 5. Changes in face, limbs and body Growth hormone pituitary adenoma causes excessive growth of limbs, muscles and internal organs due to excessive secretion of growth hormone. Adrenocorticotropic adenoma has abnormal fat metabolism and distribution, with fat accumulating in the chest, abdomen and buttocks, while the limbs are relatively thin and “centripetal obesity”, with a full-moon shaped face and significant weight gain, and subcutaneous blood vessels in the limbs are exposed and have purple lines. These two types of pituitary tumors seriously affect the external image of a person and should be treated actively.