It is possible for hemodialysis patients to eat fans in moderation. There is generally no excessive effect on the disease. Usually hemodialysis is used for patients with acute kidney injury and chronic renal failure in the late stage, and the dietary requirements for such patients are mainly to limit protein intake and ensure sufficient calories. The main component of vermicelli is starch (sugar), so patients can eat in moderation. Hemodialysis patients have different degrees of renal impairment, attention to high-quality protein intake, at the same time must ensure that the intake of adequate calories, but also need to pay attention to the supplementation of vitamins and folic acid and other nutrients, and to control the intake of potassium, phosphorus and so on. Dietary treatment for patients with renal impairment is a very important adjunctive therapy, and it is recommended that patients consult a professional physician to develop a dietary treatment plan suitable for them, so as to slow down the progress of the disease as much as possible and improve the prognosis.