The purpose of this study was to investigate the differences in the maternal behavior between mothers of tic-disordered children and mothers of normal. The subjects of this study were 30 mothers of tic-disordered children from Seoul National University Hospital, Seoul National Mental Hospital and two personal mental practice offices, also, there were another 30 mothers of normal. Statistical methods selected for data analyses were freqences, t-test. The main results of this study were summerized as follows; 1. The maternal behavior of normal children was warmer than that of tic-disordered at the level of p<.001. 2. The maternal behavior of normal children was more acceptable than that of tic-disordered. But, no statistical significance. 3. Mothers of normal children were more extrovert than mothers of tic-disordered at the level of p<.01. 4. The maternal behavior of tic-disordered provoked more dependency than that of normal at the level of p<.001. 5. Mothers of tic-disordered controlled children more than those of normal. But, no statistical significance. 6. Mothers of tic-disordered evaluated children and themselves more negative than those of normal at the level of p<.001. 7. Mothers of tic-disordered have more dependent tendencies than those of normal. But, no statistical significant.