Hypotonia-paralytic dyskinesia: it involves the head, neck and lumbar region, such as the neck is too soft to lift the head, the lumbar region is too soft to straighten and project the abdomen, and the walking is too weak to step and lift the legs and feet to drag the ground. This is a clinical manifestation of tardive dyskinesia. Delayed dyskinesia (TD) is an involuntary rhythmic repetitive movement of a group of muscles caused by the long-term use of higher doses of antipsychotics. The incidence varies depending on the type of medication, dose, dosing period and individual differences. So what are the preventive measures for soft neck unable to lift the head? The following is a brief introduction. Preventive measures for soft neck and inability to lift the head The treatment of soft neck and inability to lift the head is based on prevention, most of the soft neck and inability to lift the head is irreversible damage, and it is more difficult to treat, so it is important to prevent it. 1, as far as possible, slowly add drugs, try to avoid long-term or high dose application of antipsychotics; 2, avoid the combination of two or more antipsychotics; 3, as little as possible or do not use anti-Parkinson’s drugs; discontinuation or replacement of antipsychotics, should gradually reduce the dose, rather than abruptly stop; 4, the elderly and frail or with organic brain, diabetic lesions, should be given the lowest dose; non-essential use of 5. Early detection and treatment, once the symptoms appear, the antipsychotic should be reduced or replaced by other drugs, and if necessary, the drug should be discontinued.