The dangers of pituitary tumors are related to the clinical manifestations of pituitary tumors, which are divided into two types: occupational effects, and endocrine disorders. Prolactin adenoma, in young people, may manifest as infertility, menstrual disorders, young children, and young girls with menstrual amenorrhea, to suspect the manifestation of pituitary tumor. There are clinical symptoms of compression, producing peripheral changes, clinical manifestations of peripheral compression, loss of vision, some patients think that there is something wrong with their eyes and see an ophthalmologist, who is experienced in ophthalmology and has checked the eyes without problems, considering that the elderly have pituitary tumors. Some patients in the clinic, in the ophthalmology department constantly get misdiagnosed. Urinary collapse, extraordinarily high urine, electrolyte disturbances, disturbances in the internal environment, high sodium, low sodium. Stabilization of hormones, prolactin is the most common growth hormone, which manifests as acromegaly in adults and gigantism in children. What is acromegaly in adults? The hands become thicker, the original wear shoes wear 40 yards, now wear 42 yards, the feet have grown, the lips are fat, look like Africans, the bones of the face, originally a girl, is a clean face, become more prominent, called coarse bones, is visible. Unseen, the liver will also be large, the heart will also be large. ACTH adenoma can lead to obesity, his skin looks good, pink, relatively thin, delicate look, may be caused by hormone disorders.