Functional disorders can be treated by taking medications or regulating living and eating habits. Functional disorders should be differentiated in detail according to the normal or not of the internal organ functions, such as gastrointestinal tract functional disorders can be treated by taking medications through specific symptoms, such as omeprazole and other stomach protectors, which can alleviate gastric acid secretion, maintain the mucosa of the gastrointestinal tract and safeguard the function of the gastrointestinal tract. Functional disorders of the brain can be alleviated by taking neurological drugs that regulate the sensitivity of various neurological factors sent by the pituitary gland of the brain to the peripheral system. Sexual dysfunction can be alleviated by taking hormonal drugs, such as estrogen and androgen, to relieve symptoms of excessive or excessive menstruation or secondary mental dysfunction, such as irritability and memory loss, and to regulate dietary habits to conform to individual organism functions.