When the old white tea is boiled, wash the teapot and teacup with boiling water respectively, then put 5~8g of old white tea into the teapot with a teaspoon and inject boiling water. After 5 seconds, the tea soup should be poured out before this operation. Then pour the mountain spring water into the teapot, boil it on the tea stove, wait patiently for 10 minutes after turning off the fire, and finally pour the tea soup into the teacup for drinking. When the old white tea is boiled, wash the teapot and teacup with boiling water respectively, then put 5~8g of old white tea into the teapot with a teaspoon and inject boiling water. After 5 seconds, the tea soup should be poured out before this operation. Then pour the mountain spring water into the teapot, boil it on the tea stove, wait patiently for 10 minutes after turning off the fire, and finally pour the tea soup into the teacup for drinking. 1. Prepare the old white tea and the teapot/cup: choose a device with good air permeability and uniform thickness to brew the old white tea, such as purple sand teapot, porcelain teapot or glass. The amount of old white tea depends on the specific vessel, and the ratio of tea to water is about 1:20. 2. Preheat first: heat the inner wall of the teapot/teacup with hot water, so as not to affect the color, fragrance and taste of the old white tea when it is brewed. After pouring out the preheated water, put the old white tea into the vessel. 3. Steaming old white tea: In order to better show the fragrance of old white tea, you can use a steamer to steam old white tea. Put the steamer on the fire and add some water. The ratio of water to tea is 1: 3. After the water is boiled, put the teapot/cup filled with old white tea into the steamer and cover the steamer. According to the raw materials and production methods of old white tea, the steaming time is generally 5~ 15 minutes. It is necessary to master the time flexibly to avoid over-steaming and affecting the taste of tea. 4. Fully cool: After steaming, take out the old white tea and cool it in a ventilated place. When the temperature is right, you can taste the wonderful old white tea by brewing. 5. Brewing: Put the cool old white tea into warm water and wait for 3~5 minutes before tasting. In order not to affect the taste and nutrients of old white tea, the water temperature should not be too high, generally about 80℃. According to your taste, you can brew it many times, and the time and water temperature of each brewing can be adjusted appropriately, so that you can feel the mellow taste of old white tea every time you brew it.