There is no such thing as six contraindications of membranous nephropathy diet, but there are some contraindications of membranous nephropathy diet, which mainly include high sodium, high fat, high potassium, high phosphorus, and high purine food. Patients with membranous nephropathy are forbidden to eat high sodium food, that is, they can’t eat too salty food, because eating too salty food will aggravate the patient’s water and sodium retention, which will lead to the patient’s elevated blood pressure and aggravate the symptoms of edema. Patients with membranous nephropathy are forbidden to eat high-fat food, because eating high-fat food will aggravate the patient’s blood lipid elevation, leading to lipid metabolism disorder and aggravate membranous nephropathy. Patients with membranous nephropathy should avoid eating too much vegetable protein, and if possible, it is better to use rice flour staple food with vegetable protein removed. Patients with membranous nephropathy should avoid eating too much high potassium food, because high potassium food may lead to hyperkalemia, which may lead to cardiac arrhythmia in severe cases. Patients with membranous nephropathy are forbidden to eat too much high phosphorus food, otherwise it may lead to the patient’s blood phosphorus elevation, and the emergence of renal bone disease. Patients with membranous nephropathy should avoid eating too much high purine food, otherwise it may lead to the elevation of blood uric acid and aggravate the condition. Patients with membranous nephropathy are advised to consult regular hospitals and standardize their treatment and diet under the guidance of physicians.