What does Zhai Fei mean?

Fife means coffee without sugar or milk.

The word "Zhai Fei" comes from Cantonese culture. Take Hong Kong as an example. Coffee is an exotic product. Hong Kong introduced coffee as a drink very early. Yuanyang in Hong Kong-style tea restaurant refers to coffee with milk tea, while Zhai in Cantonese means "single and monotonous", while Zhai Fei refers to black coffee, which was born to divide milk coffee. Therefore, there is also a saying that "Zhai Fei has no milk".

The amount of coffee you drink should be controlled.

Although coffee can promote fat metabolism and help to lose weight and burn fat, in fact, the amount of coffee you drink every day should not exceed 10 cup, calculated as per cup 150ml. Excessive caffeine will make the nerve center overexcited, causing insomnia, anxiety and irritability. At the same time, excessive alkaline substances will also affect gastric acid secretion, leading to gastrointestinal obstruction and even gastric mucosal damage and gastric ulcer. Therefore, never drink too much coffee. Generally speaking, 2-3 cups a day can meet the needs of a day. Never drink too much coffee.