Lose weight healthily, because you need to study at this time and waste your brain. Try not to eat pasta and rice. Use cereals and coarse grains instead. No dinner. If you really can't help it, you must not eat four hours before going to bed. I don't usually drink. Don't drink any drinks, because drinks contain a lot of saccharin, which is easy to get acne and obesity. Be sure to eat and drink porridge for breakfast (except rice and pasta, such as cereal porridge, red bean lily porridge and other miscellaneous grains). You can eat graham crackers or bread. Don't eat salty long meat at ordinary times, the lighter the better. Try not to eat yolk when eating eggs. Egg yolk is too nutritious to grow meat. Snacks are replaced by fruits. If you really can't help it, you can use whole wheat instead, or drink more barley tea at ordinary times. Beauty and slimming. Eat more fruits and vegetables, eat lean meat and sugar-free pure milk before and after menstruation. Don't eat roadside stalls. I can't help putting a few small bags of "strange taste beans" or "green beans" in my schoolbag to satisfy my desire. Shit at least once a day. I just got back from abroad. This move is very useful.