There are three main ways to lose weight: the first is lifestyle management; The second is medication; The third is surgical treatment. Among them, lifestyle management is the healthiest way to lose weight, that is, keep your mouth shut and open your legs. Shut your mouth is to control your daily food intake, pay attention to creating an energy gap, eat less, especially at night, and try not to eat snacks. Pay attention to less sugar, less salt and less oil when eating, and you can eat more vegetables. Taking your legs is to do more exercise, minimize driving and reduce the mode of transportation. Drive less, walk more, take the elevator up and down less, and take the stairs more. In addition, to lose weight, we should manage stress and sleep well. We can relieve stress through yoga, meditation and mindfulness. Sleeping within 6-8 hours every day helps to lose weight.