Abstract
Tic disorder which is purposeless, repeated, unexpected, involuntary behavior and voice can be divided into motor, vocal tic. Tic disorder belongs to pediatic psychosomatic disease. In four clinical cases, patients between the age of 6 to 15 consisted of three males and one females. They all are the eldest or only son and have the parental behavioral, home background and studing problem. The patients appealed to eye blinking in tic early stage and belong to chronic motor or vocal tic disorder or transient tic disorder without tourette's disorder. When estimated by an appraisal standard of Yale Global Tic Severity Scale(YGTSS). Four patients administered Bosimgeunatang known to invigorating the heart, relieving mental stress improved.
