Half an hour before breakfast. Huaxi fat-burning coffee, make a bag of coffee with 100 ml warm water half an hour before breakfast, drink water immediately after drinking, and usually drink more water. Huaxi milk coffee is a slimming product, without dieting, diarrhea, injection, exercise and side effects. Huaxi milk coffee is a slimming product, without dieting, diarrhea, injection, exercise and side effects. Zero inverse Dan slimming principle is the principle of exercise, burning body fat to achieve slimming effect.