Leg-Clamping Syndrome is a behavior that occurs in children between the ages of one and three years old and is usually caused by clamping the legs or rubbing the vulva to cause arousal. It occurs in children from two months to eight years of age, and is most common in children between the ages of one and three, and is significantly more common in girls than in boys. This behavior is often triggered by psychological factors, aggravated and reinforced by localized arousal. The child clenches his or her legs during an attack, and in some cases rubs the vulva continuously, accompanied by flushing of the face, blank staring, and sweating all over the body. It can be repeated several times a day for a few minutes at a time. Clamped Leg Syndrome does not usually affect the health of the body, and the main purpose of the examination is to exclude parasitic infections and vaginal inflammation that may cause similar symptoms. Treatment is mainly based on psychotherapy, behavioral therapy, you can remove some of the vulvar stimuli, and then cultivate the child’s interests and hobbies, divert the child’s attention. Be careful not to scold the child. Parents should be aware that this is a common behavioral problem in children and should not feel ashamed or have difficulty talking about it. Leg Catchers Syndrome does not usually require medication, and most children can correct this bad habit with behavioral therapy.