Drinking too much water has no effect on the kidneys of normal people, but it may affect the health of patients with abnormal kidney function. 1. Normal people: Drinking more water every day will not affect the health of kidneys. Drinking more water can encourage the toxins in the body to be discharged from the body, which is also helpful to promote health. Therefore, as long as you do not drink too much water, it will not affect your health. 2. Abnormal renal function people: when kidney disease, such as various types of glomerulonephritis caused by renal failure patients, this time the kidney filtration and excretion capacity decreased, such as drinking too much water leads to water can not be discharged through the kidneys in a timely manner and retention in the body, resulting in edema, serious cases can lead to heart failure, this time it is not appropriate to drink a large amount of water, or it may lead to aggravation of the condition. It is recommended to drink the right amount of water every day according to your physical condition. If you feel sick after drinking water, please consult a doctor in time and take active treatment to avoid delaying your condition.