Generally healthy adults drink about 1500 milliliters of water per day, if there is kidney function impairment, etc., need to reduce the amount of water, if you suffer from urinary tract stones and other diseases, you need to increase the amount of water. Water is one of the necessary substances in human metabolism, about the daily intake of water, need to be based on the actual situation, can not be generalized, there are obvious individual differences. In general, for healthy people, it is recommended to maintain a daily water intake of about 1500 milliliters. However, for people suffering from diseases, such as renal impairment, heart failure, etc., you need to reduce the amount of water to avoid increasing the burden on the kidneys and heart; if the urinary tract stones, hyperuricemia, you need to appropriately increase the amount of water, which is conducive to the discharge of smaller stones. In summary, people need to maintain a certain amount of water intake every day according to their own situation, so as not to adversely affect their health.