Share my experience of losing weight, because I am losing weight, from 170 kg to 150 kg a month.
First of all, I personally think dieting is the first step to lose weight. Only by slowly dieting can you eat less. It's hard to lose weight without dieting.
Secondly, eat less greasy food, eat as much coarse grains as possible, and change your stomach structure.
Thirdly, strengthen exercise, so that exercise consumes excess fat in the body.
The result of only exercising without dieting is that once you stop exercising, your weight will recover strongly, even fatter than before.
The result of dieting without exercise is that you may not lose weight, but you must lose money.