Finger belly deflated may be physiological, but also may be the organism lack of water, hand keratosis pilaris eczema, malnutrition and other pathological factors. 1. Physiological factors Such as long-time finger immersion edema, contact with toiletries and in a cold and dry environment may cause a transient finger belly symptoms of shriveling. 2. Pathological factors (1) Dehydration: such as acute gastrointestinal inflammation and other diseases caused by severe diarrhea, which can cause a short period of severe dehydration of the body, thus causing the symptoms of shriveled fingers. (2) hand keratinized eczema: common in the finger end, palm and finger back, and even involved in the back of the hand, wrist and other parts of the body, mainly manifested in the affected areas of the skin tissue of the local hyperplasia and hypertrophy, the surface of the lesions is relatively rough, but also can cause shriveling of the finger belly. (3) malnutrition: such as severe cachexia, terminal tumor and other diseases, the gastrointestinal tract digestion and absorption function is poor, can cause severe malnutrition, further cause hypoproteinemia, the symptoms of shriveled fingers. Excluding physiological factors, if the symptoms of the finger belly shriveled, it is recommended to consult a doctor in a timely manner, and actively cooperate with the doctor to identify the cause of targeted treatment, so as not to delay the condition.