The crow chicken (also known as the bamboo chicken) is an omnivorous domesticated bird. Called the Smooth Dwarf in the U.S., the crow-chicken is short, with a tiny head and short neck. Through evolution and breeding distribution, it is now found in many countries. Not only are their beaks, eyes and feet black, but their skin, muscles, bones and most of their internal organs are also black. Due to the different environments in which they are kept, the characteristics of the crowned chicken vary from white feathers and black bones, black feathers and black bones, black bones and black flesh, white flesh and black bones, and so on. The color of the feathers of the crowned chicken has also become more varied depending on the way they are raised. In addition to the original white color, there are now black, blue, dark yellow, gray and brown. In terms of nutritional value, the black chicken is much more nutritious than ordinary chickens. Taihe is the hometown of Chinese black chickens, and its authentic place of origin is Wushan Wangpitu Village in Taihe County. The beautiful mountains and waters have nurtured Taihe black chicken, which is a precious poultry. Taihe Chicken is small and delicate in size, with ten major features, namely, crown, tasseled head, green ears, beard, silk hair, black skin, black bone, black meat, hairy feet, and five scratches. It is a combination of medicinal, tonic, ornamental in one. It has been the tribute of the imperial palace for generations. Tested to contain 19 kinds of amino acids, 27 kinds of trace elements, with health care, beauty, cancer prevention three efficacy. The county's annual rearing of crow chicken stabilized at 20 million feathers.