Osteoporosis and kidney function have a certain relationship, poor kidney function is manifested in creatinine, urea nitrogen and other kidney function indicators have abnormalities, can be confirmed by the corresponding test blood or urine test. When the kidney function is not good, the kidney excretion of urinary calcium and absorption of calcium are correspondingly weakened, the disorder occurs, and the electrolyte balance is disrupted. Osteoporosis and the body’s absorption of calcium and storage of calcium have a clear relationship, poor kidney function will affect the calcium metabolism to produce disorders, will aggravate osteoporosis and promote calcium loss. This is where both calcium supplementation and treatment for poor kidney function or abnormal disease are needed. If poor kidney function requires hormone therapy and osteoporosis is also diagnosed, in this case try to reduce the amount of hormone and treat both kidney and osteoporosis at the same time in order to gradually recover well.