Leg rubbing syndrome belongs to children’s behavioral abnormalities, mainly manifested as legs crossed or clenched perineum, hands clenched in fists, body hardening, after a few minutes, flushed face, slightly sweating, then this phenomenon disappears, equivalent to masturbation. Parents do not need to worry excessively, usually pay attention not to make the baby alone for too long, to give more love, more accompany the child, and at the same time pay attention to underwear and pants wearing loose, cotton, breathable, do not wear tight nylon pants. Parents should not blame their children too much in order to make them form psychological pressure. This phenomenon is relatively common in childhood and should be observed.