2～3岁的孩子,经常会有这样的现象发生:当母亲没有满足他的要求时,就会用头去撞地板或墙壁,母亲把他抱起来,孩子还哇哇大哭。使用这种手法的孩子相当多,许多父母不明白孩子为什么会这样。2～3岁孩子情绪调节能力、控制能力都较差,如果母亲没有满足他的要求,便以自伤的方法来宣泄自己的不满情绪。这属于婴幼儿期的 A child aged 2-3 years often has something like this: When the mother fails to meet his needs, she bumps her head against the floor or wall, and the mother hugs him and the child shouts. There are quite a lot of children using this technique, and many parents do not understand why children are so. 2 to 3-year-old children’s emotional ability to control are poor, if the mother did not meet his requirements, they will self-injury to vent their dissatisfaction. This belongs to infancy