Patients with high blood creatinine, daily dietary precautions mainly include: limiting high sodium salt intake, protein intake, vitamin supply and other aspects. 1. Limit the intake of high sodium: patients with high creatinine value should control the daily sodium intake according to the edema situation and the presence of hypertension, and give a low-salt diet. 2. Protein intake: since patients have already had an increase in blood creatinine value, even renal insufficiency, in order to control the continued deterioration of renal function, the total protein intake should be controlled, and try to use a diet rich in high quality protein, such as egg white. 3. Vitamin supply: patients with high creatinine should eat more food containing vitamin A, vitamin B2 and vitamin C, such as fresh fruits and vegetables. But pay attention to avoid high potassium fruit intake. Patients with high blood creatinine are advised to go to the hospital in time, follow the doctor’s instructions for standardized treatment, and at the same time can consult a nutritional or professional doctor for relevant precautions.