Vasculitis needs to see vascular surgery and rheumatology department. It is suggested that patients should pay attention to diet adjustment and nutrition balance during illness. They can eat more food rich in vitamin and high-quality protein, such as milk, eggs, lean meat, fresh vegetables and fruits. Vasculitis, also known as thromboangiitis obliterans, is a chronic vasculitis disease that mainly affects the small and medium-sized arteries at the distal end of the extremities. Generally, the disease is distributed in stages, and tends to occur in young and middle-aged men, especially men with a long history of smoking. Once the vasculitis is diagnosed, it is not easy to cure it. The main purpose of treatment is to delay the progress of the disease, improve the blood supply of the distal limb, so as to alleviate the symptoms of the disease and improve the quality of life. It is suggested that patients with vasculitis should pay more attention to keeping their bodies warm at ordinary times. They should not catch cold from the wind. They should drink more warm water and eat more light, nutritious and digestible food.