案例:女孩,5岁多,1岁多开始喜欢吮手指,每天除了吃饭、喝水以外,右手小小的大拇指无时无刻不含在嘴里,甚至睡着了也不例外,嘴里还发出“啧、啧”的声音,家长一把它拿出来她又会自动地放进去,久而久之,大拇指边上已经长出了一层厚厚的茧。而家长认为这不是一个好习惯,想方设法地希望纠正孩子的这种行为,但效果不明显。3岁上幼儿园后,在 Case: girl, 5 years old, 1 year old and more like to suck your finger, every day in addition to eating and drinking outside, the little thumb on his right hand all the time does not contain in his mouth, even asleep is no exception, his mouth also issued “Tut, Tut ” voice, the parents took it out and she will automatically put in, over time, the thumb has grown a layer of thick cocoon edge. Parents think this is not a good habit, trying every means to correct the child’s behavior, but the effect is not obvious. After 3 years old kindergarten, at