First of all, you should eat three meals normally, you can't skip breakfast or dinner, and you should drink more water at ordinary times.
Secondly, don't eat snacks and drink carbonated drinks. If you really want to eat, eat cucumbers, apples and tomatoes.
Secondly, run and jog for an hour every day, whether it's morning running or late running.
As long as you can do this, you will gradually lose weight.
Don't believe in dieting, it is deceptive and harmful. Be scientific and healthy.