Scurvy, clinically known as vitamin C deficiency, is a disease with bleeding tendencies and bone lesions due to chronic under-absorption or over-consumption of vitamin C caused by various reasons in the body. It can occur at any age, mostly in children aged 6-24 months. With the improvement of the living standard of the general public, the disease is now generally rare, and is only seen in severe malnutrition, drug addiction, alcoholism, and the lack of vegetables and fruits in the diet of the people living in remote and poor areas, the causes of the disease are as follows: 1. Insufficient intake of vitamin C: irrational diet structure, long-term lack of fresh vegetables and fruits in the diet, food processing methods are different, over-production of vitamin-rich food, resulting in vitamin loss; 2, vitamin C absorption disorders: lack of gastric acid or long-term diarrhea, resulting in reduced absorption of vitamin C; 3, increased consumption of vitamin C: such as infectious diseases, severe trauma, the demand for vitamin C increases, and if it is not supplemented in time, it may lead to vitamin C deficiency, vitamin C deficiency for several months, the patient’s early stage will Feel poor appetite, general weakness, tiredness, children may have growth retardation, irritability and indigestion, with the development of the disease patients may appear skin, mucous membrane, tympanic membrane bleeding and bone abnormalities, anemia and other typical bleeding symptoms. Vitamin C deficiency is mainly treated symptomatically with vitamin C supplementation, i.e., supplementation of vitamin C preparations and consumption of vitamin C-rich foods.