The urine protein (++++) generally suggests that the patient is combined with nephritis. For patients with nephritis, the following dietary contraindications are in place: 1. The intake of salt needs to be controlled. Most patients with nephritis are combined with edema and hypertension, and too much salt intake will aggravate edema and hypertension, increasing the burden on the kidneys, which is not conducive to the recovery of the kidneys. It is recommended that the daily salt intake be less than 3g, including table salt and also the salt content in condiments.2. For patients with nephritis, if edema is more pronounced, the fluid intake needs to be controlled, including the water drunk, thin rice, drinks, and also the water in food, such as vegetables, steamed buns, and fruits. It is recommended that patients with nephritis have a low quality protein diet, because the body does not need to consume too much protein, but will increase metabolic waste. High quality protein is mainly animal protein, including meat, eggs, milk, animal protein generally accounts for about half of the total protein intake a day, because too much intake of vegetable protein not only can not maintain the body needs the essential amino acids, but will increase the urea nitrogen and other metabolic wastes.