Objective To probe into the psychological mechanism of"tics-coprolalia syndrome"and the method of nursing intervention so as to provide a reference for its clinical treatment.Method Psychological nursing and counseling was given to help seekers using metacognition psychological intervention technique combined with observational method

interviewing method

cognitive therapy and muscle relaxation training in behavioral therapy.A test was made before and after intervention using Yale Global Tie Severity Scale（YGTSS）and the therapeutic effect was evaluated.Results Overall YGTSS scores before intervention were 32

categorized as moderate tics while overall scores of YGTSS test after intervention were 18categorized as mild condition

with a score-reducing rate of 40.6%

and the test result after intervention was better.This intervention solved the problem in patients thus making their minds on efficient learning.Conclusion The therapeutic effect of metacognition psychological intervention technique in treating"tics-coprolalia syndrome"is remarkable

therefore it is worth promotion.