The beef and horse meat that tea drinkers often say is an expert in oolong tea industry. Beef refers to oolong tea produced by Niulankeng cinnamon, and horse meat refers to oolong tea produced by Matouyan. Oolong tea, also known as green tea, semi-fermented tea and fully fermented tea, has a wide variety, and it is a tea with distinctive China characteristics among several major teas in China. Oolong tea is a kind of tea with good quality after picking, withering, shaking, frying, rolling and baking.

Oolong tea evolved from Gongchalong Formation and Fengbing 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. The pharmacological effects of oolong tea are outstanding in decomposing fat, losing weight, bodybuilding and so on. It is called "beauty tea" and "bodybuilding tea" in Japan. Oolong tea is a unique tea in China, mainly produced in northern Fujian, southern Fujian, Guangdong and Taiwan Province provinces. Sichuan, Hunan and other provinces also have a small amount of production. Oolong tea is not only sold domestically in Guangdong, Fujian and other provinces, but also exported to Japan, Southeast Asia, Hong Kong and Macao. The main producing areas are Anxi County, Fujian Province and other places.