Some of the elderly often appear on the hands of blood spots, there are a variety of reasons: the first, physiological reasons, the elderly due to the decline in body function, the content of collagen fibers in the blood vessels to reduce the elasticity of the blood vessels to reduce the increase in permeability, part of the red blood cells can be from the blood vessels out of the blood vessels, the emergence of blood spots on the hands of the case, especially common in the body of the elderly slimming. The second type, vitamin K deficiency, due to part of the elderly intestinal function decline, the synthesis and absorption of vitamin K ability to decline, resulting in vitamin K-related coagulation factor content is insufficient, coagulation dysfunction, blood spots on the hands will also occur. The third type, commonly found in vitamin C deficiency, some of the elderly eating, rarely eat fresh fruits and vegetables, resulting in vitamin C deficiency, can also cause blood spots on the hands.