坏血病是由于食物中长期缺乏维生素C所引起的一种营养缺乏病。维生素C富含于绝大多数新鲜蔬菜水果以及动物肝脏之中,我国普通膳食中有大量新鲜果菜,足以维持维生素C生理需要,故本病极为少见,迄今国内成人坏血病未见报告。西藏地理、自然条件及民族习惯不同于祖国内地,笔者在数年前即观察到在某种特殊条件下饮食中长期缺乏维生素C来源的藏族成人中发生牙龈肿胀出血,一侧或双下肢大片皮下瘀斑,患肢肌肉、骨关节痛,因而屈曲活动受限等为其主要 Scurvy is a nutritional deficiency caused by long-term lack of vitamin C in food. Vitamin C is rich in most fresh fruits and vegetables and animal liver, a lot of fresh fruits and vegetables in our ordinary diet, enough to maintain the physiological needs of vitamin C, so the disease is extremely rare, so far no reports of adult adult scurvy. Tibet’s geography, natural conditions and ethnic customs are different from those in the motherland. A few years ago, I observed swollen swollen gums in Tibetan adults who lacked sources of vitamin C for a certain period of time under special conditions. One or both large and large lower extremities Ecchymosis, limb muscles, bone and joint pain, and therefore limited flexion activities as its main