1, posterior hypothalamic lesions, most patients show drowsiness, a few patients can have insomnia, there are three common types of performance: (1) episodic sleep disorder, the patient can sleep at any time on any occasion, can last for a few minutes or even a few hours, this type is the most common . (2) Deep sleep disorder, episodes of sleep can last for days or even weeks, during which you can wake up to eat, urinate and defecate, etc.. Followed by re-sleeping. (3) Episodic Sleepy Eating Disorder, where the patient has uncontrollable episodic sleep, each sleep lasts for several hours to several days, and after waking up, the amount of food is increased several times to ten times more than normal, and the patient is mostly obese! 2, the hypothalamus ventral medial nucleus or nodal part near (satiety center) lesions, common overeating and obesity, at the same time, reproductive organ dysplasia, called obesity reproductive incompetence dystrophy, characterized by progressive obesity, fat distribution to the face, neck and trunk is the most significant, followed by the proximal limbs, and delicate skin, finger tip thin, often accompanied by skeletal overgrowth phenomenon, or for precocious puberty, intellectual underdevelopment or It is often accompanied by overgrowth of bones, precocious puberty, underdeveloped or hypogonadism, and urolithiasis. 3, lesions involving the lateral ventral nucleus (feeding center), often anorexia, weight loss, skin atrophy, hair loss, muscle weakness, fear of cold, bradycardia, reduced basal metabolic rate, and other performance!