1, weight gain is the accumulation of excess calories, weight loss is also the consumption of calories.
In order to help the consumption of heat substances, we must first reduce the accumulation of heat substances. Therefore, it is important to halve your three meals a day and control this.
2. In order to promote calorie consumption and coordinate body functions, do aerobic exercise for about 30 minutes every day, such as running, skipping rope and aerobics. And running is the best.
If you can carefully adjust according to the above two points, you can lose about 1.5 kg (3 kg) per week.
A child like you, there are still nine days before the 20th. If the control is properly coordinated, it should be able to lose 2.5 kg (5 kg).