Can patients with membranous nephropathy eat bananas, there are two aspects: First, membranous nephropathy patients with normal kidney function and blood potassium is not high, you can eat bananas appropriately, bananas are rich in fiber, which can play the role of laxative, laxative effect, is conducive to the body detoxification. Second, patients with chronic kidney disease whose renal function is obviously impaired or combined with hyperkalemia, try not to eat bananas, bananas are rich in potassium and magnesium, excessive intake of potassium ions will aggravate or induce hyperkalemia, magnesium ions have inhibitory effect on the nervous and cardiovascular system, if patients with membranous nephropathy have obvious renal function impairment, it is best not to eat bananas.