Ten fingers finger belly red cause of physiological reasons and pathological reasons, pathological reasons include hypertension, cirrhosis, etc.. 1. Physiological reasons: the external environment is relatively cold, long-term exposure of the fingers, cold and then suddenly heated, such as fire, warm water immersion, etc., finger capillary expansion, congestion, there will be a finger belly red phenomenon. This is a normal phenomenon, do not need to deal with. 2. Pathological factors: hypertension patients with unstable blood pressure control will lead to accelerated blood circulation throughout the body, and ultimately the phenomenon of red fingers; cirrhosis patients with high levels of estrogen in the body, resulting in capillary expansion of the extremities, often manifested in the hands of the red, especially the size of the fish intersection part of the case is known as the palm of the liver. When patients experience discomfort, they should go to the hospital immediately.