Bullwhip, also called Niuchong, is the external genitalia of male cattle. Bullwhip is rich in androgen, protein and fat, which can tonify kidney and strengthen yang, and can be used to treat kidney deficiency, impotence, nocturnal emission, soreness of waist and knees, etc. In addition, the collagen content of bullwhip is as high as 98%, which is also the first choice for women's beauty. Bullwhip, as a precious nourishing food, is popular all over the world and is also a hot food in various restaurants. Bullwhip has a long history. The earliest brand of bullwhip in China was founded in Yongzheng period of Qing Dynasty, with a history of nearly 300 years.