Vascular occlusion is a complete blockage of a blood vessel. There are many causes of vascular occlusion, such as infections, autoimmune system diseases, blood clots, etc., and sometimes due to traumatic factors. In addition, vascular occlusion can be divided into venous occlusion and arterial occlusion. If the occlusion is relatively small and not located in an important location, there is no need to worry too much and the patient can go to the hospital for regular review. Patients need to pay attention to lifestyle habits, such as try not to drink drinks containing alcohol, do not eat too spicy food, do not eat greasy food, etc., can be appropriate intake of fresh fruits and green vegetables, appropriate intake of high-quality protein. If it is more important vascular occlusion, it may need to give anticoagulation, dispel aggregation, dilatation and other treatment, also need to carry out thrombolysis, surgery, the specific treatment plan needs to be decided according to the patient’s condition.