The most obvious is the appearance. Asian rhinoceros horn is oily and looks moist, and its transparency is generally worse than that of African rhinoceros horn. In addition, the bamboo silk pattern of Asian rhinoceros horn is more obvious than that of African rhinoceros horn. The middle of African rhinoceros horn is black, while Asian rhinoceros horn is dark millet color, similar to brown red. Finally, the Asian horn has no fishy smell, but it smells of sesame oil and bezoar, while the African rhinoceros horn has fishy smell.