Breakfast: a boiled egg and a little chicken breast. Cut some cucumbers. You can drink 100 ml semi-skimmed milk.
Lunch: You can eat half a small bowl of rice, and the vegetables can be cabbage and tofu. It can also be other favorite vegetables. Be sure to eat more vegetables.
Dinner: It's best to eat early, between 5 pm and 7 pm.
If you can insist, it is recommended not to eat staple food. You can eat vegetables, such as tomatoes, and fruits, preferably apples and an apple.
If you eat a lot before, you can gradually reduce it. To avoid hypoglycemia.
The most important thing is not dieting, but reasonable exercise.
It would be better to walk for 30 minutes every day (without strenuous walking).
I hope it helps you.