[five, cold tea] tea should be moist and hot, and cold tea has the disadvantages of stagnation and phlegm. That is to say, warm tea and hot tea can make people's mind clear and clear.
[six, hot tea] tea is usually brewed with high temperature water, but it can not be drunk when the water temperature is overheated. Too hot tea is strong for people's throat, esophagus and stomach. If drinking too hot tea for a long time, it may cause these organs to be damaged. According to foreign studies, people who drink more than 62oC tea often suffer from stomach damage. The temperature of drinking tea should be below 56oC.