Symptoms of brain adenomas depend on the specific situation. Generally speaking, they are divided into two major symptoms, the first of which is the symptom caused by the occupying effect. As the tumor continues to increase in size, it will compress the surrounding brain tissue, thus producing a series of clinical symptoms. These include headache, dizziness, nausea, vomiting, epilepsy, speech dysfunction, numbness and weakness of the limbs and some other conditions. Then there are secretory symptoms, adenoma is a state with endocrine function, such as pituitary adenoma may cause male, or non-lactating female lactation, menstrual disorders, and in the long term will cause infertility. For example, adenomas of the pineal gland may cause changes in the body’s daily rhythms, commonly known as the time to sleep does not sleep, but abnormally awake, such as this is a clinical symptom, and some are even very large, may seriously affect the daily life.