Acute pyelonephritis is a common disease among urinary tract infections. Patients often have chills, high fever, abdominal pain, urinary frequency, urinary urgency and other manifestations, need to apply antibiotic treatment, combined with dietary regulation. Daily specific dietary principles are as follows: 1, eat more light, diuretic food, such as winter melon, watermelon, etc.; 2, eat more vitamin-rich fruits and vegetables, such as apples, oranges, oleaginous vegetables, etc.; 3, to avoid high-salt, high-fat, high-potassium, high-vegetable protein foods, such as cured meats, fatty meats, bananas, beans, etc.; 4, avoid spicy and stimulating foods, and also do not eat food that contains too many food additives; 5, drink plenty of water, and diligent Urination, daily water intake should be more than 2000ml, should not drink drinks, coffee, strong tea and other beverages; 6, patients in the treatment period as well as within 2 weeks of stopping medication need to refrain from alcohol, while avoiding other alcohol-containing food intake.