I think diet control should be the main way to lose weight, supplemented by exercise.
Diet to lose weight-eat three meals, especially breakfast, which can be light, such as porridge or soybean milk+steamed bread. Eat some meat and some vegetables for lunch, and you can also eat some coarse grains, such as corn, coix seed and sweet potato. But don't treat these coarse grains as dinner; Dinner is also light, just eat a little lean meat. In addition, don't eat supper at night, especially after nine o'clock, don't eat fruit and supper; Don't eat junk food and greasy food. Usually eat less greasy fried food. Don't lose weight too deliberately for the legendary weight loss!
For reference only, I wish you fitness!