1. Submit business license and food business license.

2. Submit the health certificate, sign the agency contract, and pay for the goods. The calorie of black coffee is very small, and a cup of black coffee 100 g is only 2.55 kilojoules. Drinking a cup of black coffee after a meal can effectively decompose fat. Black coffee is more diuretic. For women, black coffee also has cosmetic effects. In the process of brewing coffee at high temperature, an antioxidant compound will be produced, which is helpful for anti-cancer, anti-aging, and even has the effect of preventing cardiovascular diseases, which can be comparable to fruits and vegetables.