Bian Shi fire dragon pot is good. Bian Shi Dragon Tank is a natural mineral material, which contains many trace elements such as aluminum, iron, magnesium and phosphorus. The mouth of the jar has a unique plum blossom petal design, which has beautiful appearance and strong drug effect. Zisha fire dragon pot is made of Xuanshi and Zisha, which is not suitable for cupping and can only be used as decoration. After use, it has better effect than Bian Shi Fire Dragon Tank. Bian Shi Dragon Pot is characterized by compact structure, close to porcelain, high strength, fine particles and shell-shaped or stone-shaped fracture, which has the functions of warming yang and dispelling cold, dredging meridians, activating qi and promoting blood circulation.