Scurvy, also known as vitamin C deficiency, is a disease caused by a deficiency of vitamin C. The main symptoms are twofold: first, symptoms of bleeding. The symptoms of bleeding can be seen in repeated gum bleeding at the gums, which can easily lead to gum bleeding especially when eating, and in severe cases, repeated nasal bleeding. As a result of repeated gum bleeding, it causes swelling and infection of the gums, and even loosening and loss of teeth. It can also cause internal bleeding, hematuria, blood in the stool, excessive menstruation in women, etc. In severe cases, intracranial bleeding may also occur. Second, the symptoms of bone. Skeletal lesions can be seen in thickening of long bones, calcification and osteoporosis. For the treatment of scurvy, the most effective method is vitamin C supplementation therapy, the conventional dose is 300-600mg daily, orally or intravenously. Diet needs to be rich in fresh fruits and vegetables.