Brewing bitter tea has "four keys", one is the water temperature should be appropriate; the second is the water quality should be good, the best is mineral water, spring water or pure water and other high-quality water; the third is the choice of porcelain or pottery to do the tea utensils; the fourth is to put the amount to be less, the bitter tea has a small amount of flavor, strong, resistant to the characteristics of brewing. Bittering tea drinking method: take the right amount of fresh bittering tea, the best water temperature should not exceed eighty degrees, the best water temperature between seventy degrees and eighty degrees. The best water temperature is between seventy and eighty degrees Celsius. The brewing method of Bittering Tea is suitable for the medium pouring method, half of the water is filled into the teapot, and after the temperature drops, the Bittering Tea is put into the teapot, and the teapot is gently shaken for 5-10 seconds, and then the water is poured out. This process is called "tea washing", and is designed to wash away any dust and debris that may be present in the tea leaves. Pour the boiling water into the teapot again, and after 3 to 5 minutes, you can start drinking. You can also add honey to the tea when it cools, which has a certain effect on the treatment of laryngitis.