皮肤覆盖子人体表面，可以反映出内脏的病变。对于糖尿病患者来说，反映到皮肤上的信号有：①皮肤红斑：酷似灼伤性水泡，壁薄，内含透明浆液，殖周无红晕，好长于指、趾、手足的背部或底部边缘，单个或多个出现，数周内自愈，但可反复出现。②皮肤病痒：约7％的糖尿病人可发生 Cover the body surface of the skin, can reflect the visceral lesions. For diabetic patients, the signal reflected on the skin are: ① skin erythema: resembles burns blisters, wall thin, containing a transparent slurry, no blushing colon, longer than fingers, toes, hand or foot back or bottom edge, single Or more, self-healing within a few weeks, but can be repeated. ② itchy skin disease: about 7% of diabetic patients can occur