If patients do not have abnormal kidney function, drinking 2000ml of water a day is not a big burden for the kidney, but it is not recommended to drink 2000ml of water a day for a long time, nor is it recommended for patients with renal insufficiency to drink 2000ml of water a day, which may cause a certain burden to the kidney. Water in the normal human body will be discharged with the normal metabolism of the kidneys with urine, so the appropriate amount of water can promote metabolism, for the recovery of some diseases may also have a catalytic effect, the appropriate amount of increased drinking water to improve bowel movements also have some help. However, it is not recommended to drink 2000ml of water a day for a long time, it may have a certain burden on the kidneys, and may even cause hyponatremia. Patients with renal insufficiency are also not recommended to drink 2000ml of water a day, because the kidneys cannot metabolize so much water, which may lead to the patient’s inability to discharge water, resulting in edema in the limbs, chest, abdomen and other parts of the body, which can also increase the burden on the kidneys and even have an impact on cardiopulmonary function, and it is recommended that patients with kidney disease control the amount of water they drink under the guidance of a doctor. It is recommended to drink more pure, plain water and try to avoid excessive daily intake of sugar water, sweetened beverages, etc., which may create the risk of diabetes. It is also not recommended to drink large amounts of water at night, because the kidney metabolism slows down at night, which may cause edema in the limbs or face caused by the inability to metabolize water.