Uremia, also known as chronic kidney disease end stage, when chronic kidney disease stage I and II, protein restriction is an important part of treatment to reduce metabolic waste production, relieve symptoms as well as the corresponding complications, and even slow down the progression of the disease. The main nutrient is high-quality protein, which mainly refers to milk, lean meat, fish and eggs, and needs to be appropriately restricted, based on body weight. Blood phosphorus is easily high in the late stage of uremia, and the intake of phosphorus-containing foods, such as nuts and nuts, as well as seasonings, additives and fast food, which contain more phosphorus and are not easily excreted from the body, needs to be limited. High phosphorus can easily lead to low blood calcium, and low blood calcium can easily lead to osteoporosis and pathological fractures.