Drinking water alone does not really promote fat consumption in the body and does not play a role in weight loss. Drinking water within half an hour before a meal may have a mild indirect weight loss effect. Drinking water does not directly reduce body fat, but drinking water before meals can indirectly reduce food intake. The essence of weight loss is that caloric output is greater than caloric intake, and the main measures for weight loss include reducing dietary intake and increasing exercise in two parts. That is, reduce calorie intake and increase calorie consumption. People eat faster when they are hungry, and the brain feels full when the intake has exceeded the body’s needs, which can easily lead to the accumulation of energy intake in the body and induce obesity. If you want to drink water to assist weight loss, it is recommended to choose the right amount of water before meals, which can make the stomach wall expansion, stimulate the nerves in the stomach wall to produce a sense of fullness, reflexive appetite suppression, reduce dietary intake. In addition, if you drink too much water for too long, you may experience disorders of electrolyte balance, indigestion and other symptoms, thus affecting your health.