The appropriate amount of water to drink in a day can vary from 1500-1700 ml, and it is recommended to drink appropriately according to your own situation. The appropriate amount of water to drink in a day is not fixed by age, gender, activity, climatic conditions and other factors. According to the Dietary Guidelines for Chinese Residents 2022, in a mild climate with low physical activity, it is appropriate to drink 1500 milliliters of water per day for adult females, and 1700 milliliters of water per day for adult males. It is recommended that the appropriate amount of water to drink in a day needs to be adjusted appropriately according to individual circumstances, and that water should be replenished when you feel thirsty, and that you should consciously drink enough water every day, taking a small amount of water more than once. In addition to drinking enough water every day, it is recommended that you drink less beverages, do not use beverages to replace plain water.