Oolong tea is not black tea. Black tea and oolong tea are one of the six major teas in China. They all contain many varieties, but they are not affiliated with each other. Oolong tea is a kind of tea with good quality after picking, withering, shaking, frying, rolling and baking. Oolong tea evolved from the tribute tea Dragon Ball and Feng Bing in Song Dynasty, and was created around 1725 (Yongzheng period of Qing Dynasty). After tasting, the teeth and cheeks remain fragrant, and the aftertaste is sweet and fresh. Skills of selecting oolong tea. When choosing oolong tea, you can hold the dry tea in your hand, stick your head in it and smell it tightly, and take three deep breaths continuously. If the aroma is lasting or even stronger, it is good tea. Of course, we must pay attention to whether the aroma is unnatural for obvious reasons and whether it is artificially added. The second time, when you take a second breath, you will show traces, or you will not show fragrance, even green gas and mixed smell. Of course, you don't want it