Chorea, or dance-like symptoms, is characterized by involuntary dance-like movements, an abnormal movement involving the face, trunk, and limb muscles that is excessive and not under conscious control, manifested as extremely fast, irregular jumping-like and meaningless involuntary movements. The rapid contractions of the affected muscle groups are not coordinated with each other, showing purposeless dance-like bizarre movements, with variable movements and some continuity, affecting the proximal or distal muscles of the limbs as the most common. Chorea is often aggravated during exercise and emotional excitement, and disappears during sleep. 1, performance: 1, the early stage will appear mental incompetence, physical weakness and headache, with the development of the disease, can be manifested as facial or limb dance-like, involuntary movements, sometimes there will be squeezing eyebrows, twisting waist turning palms, tongue pouting, and alternate limb stretching and flexing movements, fingers can be shown to play piano-like movements, etc.; 2, when emotional agitation after the symptoms will be aggravated, and the symptoms can be on the patient’s own The symptoms can interfere with the patient’s own random movements, for example, when grasping something, if combined with dancing movements, it may cause the patient to hold the object unsteadily and drop the object. There are also symptoms of bumpy walking, which can be triggered during mental stress and can disappear during sleep, so the performance of chorea has a lot to do with the patient’s mental state. Second, the cause: chorea is caused by a variety of diseases, common chorea are small chorea and chronic progressive chorea. 1, small chorea: also known as rheumatic chorea, is a common manifestation of rheumatic fever in the nervous system, mainly by the autoimmune reaction caused by hemolytic streptococcal infection, resulting in brain damage; 2, chronic progressive chorea: is a dominant degeneration of the basal ganglia and cerebral cortex genetic disorder characterized by chronically progressive choreiform movements and dementia. In addition, chorea can also be seen in malnutrition, metabolic disorders, liver disease, renal encephalopathy, blood disorders, poisoning, and drug effects. When chorea occurs, it is important to go to the hospital as soon as possible for an examination to clarify the cause and actively cooperate with the doctor for proper treatment.