Get up in the morning and press Tianshu points on both sides of navel. Two inches on each side of the navel.
Don't eat dinner, eat less dinner, and it is best to finish dinner before 7 o'clock.
Get up early and exercise, don't sweat too much.
Eat a light diet and eat less fried barbecue. Cold things
There is no need to go on a diet, it's hard exercise.
Do the above, stick to it for a while, and you will naturally lose weight.