Abstract: Objective  To explore the psychiatrists' knowledge and clinical practice in tardive dyskinesia(TD). Methods  Investigations were conducted with a selfmade questionnaire of psychiatrists' knowledge and attitude in tardive dyskinesia in 106 psychiatrists.Results  The psychiatrists' basic knowledge in TD was not enough comprehensive  from clinical manifestations(86.79%) to pathogenesis (56.60%).The municipal psychiatrists' basic knowledge in TD was better than the county level psychiatrists(P<0.01). A total of  98.11%  of psychiatrists agreed that there should be a training in  diagnosis  and treating of TD， a total of 81.13% of psychiatrists had a  training in diagnosis and treating of TD，a total of  62.79% of psychiatrists had accepted a  training of formal course. A total of 34.92% of psychiatrists were not in confidence about  diagnosis and treating of TD. Totally， 91.51%  of psychiatrists approved that psychiatrists should discuss the risk of TD before prescribing antipsychotics，however， 76.42% of psychiatrists routinely discussed the risk of TD before prescribing antipsychotics.Totally，98.11% of psychiatrists approved that psychiatrists should monitor abnormal movements in patients with  antipsychotics，however， 74.52% of psychiatrists routinely monitored  abnormal involuntary movements and 53.77%  of psychiatrists routinely documented   the outcome of monitoring. Totally， 65.10% of psychiatrists approved that TD should be a cause for medical disputes and litigation， however， 76.41% of psychiatrists approved that antipsychotics should not be prescribed for a longterm time  with  unlicensed indications without the patient's consent.Conclusion  Psychiatrists should strengthen the training of knowledge of TD， and strictly provide information to patients in the risk of TD and routinely monitor in clinical work.

Key words: movement disorders, cognition, psychiatrist