Baby hand folds belong to the normal situation, because the baby muscle tension is relatively low, anti-gravity effect is small, thus the phenomenon of flesh folds. With the growth of age, the phenomenon of flesh folds will gradually disappear, during which does not affect the baby any movement. The band is an abnormal phenomenon, caused by abnormal body development, the band is less elastic, when stretching the fold with the hand, the fold is less elastic, and accompanied by pain, and even bleeding phenomenon, at the same time the baby will be accompanied by abnormal face, such as full moon face, intelligence, physical and other abnormal growth and development, to go to the hospital in a timely manner.