Currently there are studies showing that hyperbaric oxygen has a certain therapeutic effect on chronic kidney diseases, its glomerulonephritis, diabetic nephropathy have a certain therapeutic effect, but clinically it has not been used as a routine treatment for chronic kidney disease, chronic kidney disease is recommended to comply with the doctor’s instructions for treatment. 1. Glomerulonephritis: some studies have reported that hyperbaric oxygen used in the treatment of chronic glomerulonephritis, can significantly reduce the generation of proteinuria, the use of hyperbaric oxygen therapy, found that the number of proteinuria is significantly reduced, may be related to the increase in plasma oxygen concentration, reduce the damage to the glomerular capillaries. 2. Diabetic nephropathy: It is found that adding hyperbaric oxygen therapy on top of the original treatment program can improve the renal function of diabetic patients, improve microvascular perfusion, improve the hypoxic state, and promote the further recovery of renal function. For patients with kidney disease, it is recommended to consult the nephrology department of regular hospitals and follow the doctor’s instructions.