Patient: child is 1 year and 11 months old, girl. Frequent episodes (at bedtime) for 4-5 days, doctor’s diagnosis of exanthema, emotional cross syndrome. Symptoms: lying on her back, making a lot of effort, a little sweating, and falling asleep when she is tired. The rest of the day everything is normal. I would like to ask the doctor what is the cause of this disease? Will it affect the normal development in the future? Will it affect my heart in the future? Will it affect my intellectual development? What is the treatment? What kind of care do parents need? Is it necessary to supplement trace elements or vitamins? Ling Zhao’ang, Department of Psychiatry, Beijing Huilongguan Hospital: Most of the time, pediatric crossed legs syndrome is caused by inflammation of the vulva, which leads to itching, and the child scratches and finds pleasure, which is a manifestation of sexual masturbation in children. In fact, you do not need to be too alarmed, from the source of treatment, wash her vulva every day, while telling her that if you take unclean hands to touch, that part will be inflamed, when it hurts, you can at the same time take a not too sharp things such as the curve pin zap the back of her hand, tell if you do not control it will be like this pain, and every time she corrects her sleeping position, can not be overly reprimanding small children, verbal and body language guidance. The main thing is to guide her verbally and with body language.