Buffalo horn and jade are commonly used scraping board materials, which are widely used in real life. You can choose any one. Buffalo horn has the functions of regulating qi, clearing away heat and toxic materials, promoting blood circulation and removing blood stasis. Jade contains a variety of trace elements needed by human body, and has the functions of nourishing yin and clearing away heat, nourishing the heart and calming the nerves, strengthening the body and eliminating diseases. Can be selected according to actual needs and preferences.