Kidney transplantation concentration of cyclosporine concentration is generally not more than 210ng/ml, blood drug concentration is between 50-150ng/ml, the concentration of tacrolimus is between 8-12ng/ml in a month, the specific concentration has no fixed value, it will be changed according to the time of transplantation, the type of oral drug, the patient’s physical condition and many other reasons. Kidney transplantation is to transplant the kidney of a healthy person to a patient with kidney disease or loss of kidney function, so as to meet the normal metabolic needs, and after kidney transplantation, it is necessary to use immunosuppressant for anti-rejection treatment and to test the concentration of the blood drug regularly. Kidney transplant patients should pay attention to rest, avoid overwork, usually eat a light diet, low-salt, low-fat, low-protein diet, eat more fresh fruits and vegetables, eat less seafood, do not have too much psychological pressure and psychological burden, and regular review.