The following four types of extrapyramidal adverse reactions: 1, acute dystonia, patients manifest as a sudden inability to move their arms and legs, fixed in a certain position, more common in children and the elderly, commonly after the use of drugs such as haloperidol, gastric renformation, etc. 2, Parkinson’s syndrome, patients behave similar to Parkinson’s disease, but with increased muscle tone and motor retardation of the limbs, rarely seen limb tremor, patients can also Patients may have typical posture and gait abnormalities, such as forward tilt of the trunk and sometimes panic gait. 3. Sedentary inability, patients show that they cannot sit quietly or rest in a recumbent position, but need to get up and keep walking around, and are more excited, agitated, easily provoked, and have a certain tendency to attack. 4. Delayed dyskinesia, which only occurs in patients who have been using antipsychotic drugs for more than one year, is a relatively rare adverse reaction.