拔头发有的孩子经常拔自己的头发,父母怎么说都没用,孩子自己也表示要控制自己,但一出现拔头发的想法时就控制不了。这种现象是一种行为偏离。刚开始拔头发时,孩子可能有些紧张,但拔掉头发后就感到很轻松、满足,以后逐渐成癖。反复拔头发的现象也称为拔毛病。 Some children pull the hair often pull their own hair, parents say how to useless, the children themselves said they have to control themselves, but when the idea of ​​hair pulled out can not control. This phenomenon is a behavior deviation. At the beginning of pulling the hair, the child may be a little nervous, but after pulling off the hair, he feels relaxed, satisfied, then gradually become addicted. Repeated hair pulling phenomenon is also known as hair pulling disease.