Children’s finger barbs may be due to bad habits, dry skin, lack of vitamins and other causes. 1. Bad habits: many children have the habit of sucking their fingers, if they often suck their fingers, it will lead to dry finger parts, it is easy to grow barbs. 2. Dry skin: may be due to the environment is too dry, the moisture in the air is small, resulting in children’s skin is relatively dry, it is easy to occur skin peeling phenomenon, finger parts are also easy to grow barbs. 3. Lack of vitamins: mostly seen in some picky eaters and partial eaters, due to insufficient nutritional intake, lack of vitamins, etc., easy to cause finger barbs. Children’s finger barbs may also be caused by other reasons, usually pay attention to strengthen the care of children’s hands, if the symptoms are more serious need to consult a doctor.