Patients with cystitis can drink milk, drinking milk will not lead to further aggravation of cystitis symptoms, nor will it lead to further spread of the infection, and drinking milk appropriately will not have any effect on the organism. It is recommended that the patient can drink milk, and at the same time, go to the hospital for urine routine, urine culture and other tests, choose the appropriate drugs to actively treat the infection. Cystitis can cause frequent urination, urinary urgency or urination pain and other symptoms, generally does not appear kidney function damage, so it will not lead to protein absorption disorder or protein leakage increased, drinking milk will not aggravate the relevant conditions. Patients take oral medication or intravenous infusion of antibiotics, after the infection is eradicated, the symptoms of urinary discomfort can disappear. During the treatment period, the patient can drink more water, more urination, and at the same time can supplement nutrients, such as milk or meat diet, to increase the body’s protein, increase the body’s nutrient intake, can be better resistance to possible infections, and promote the disease as soon as possible recovery.