It is not advisable to do strenuous exercise for half an hour after a meal. You can try walking, walking slowly, etc. You need to replenish water properly during exercise. If you are really hungry after exercise, you can eat some fruits, vegetables, chicken breast and so on. But even if you do so much exercise, it is necessary to control your diet. The key to losing fat is that you eat more than you eat. I can't eat if I practice more. In addition, weight gain does not necessarily mean weight gain, but may also mean muscle gain. Therefore, from 90kg to 95kg, subjects should not only pay attention to their weight, but also record their body circumference, such as waist circumference, hip circumference, arm circumference and leg circumference. Judging comprehensively whether he has gained weight or gained muscle.