There are no stones, they are all used to fool people. Pay attention to the radioactivity of the stones you buy, and don't buy them blindly. You look up The Myth of Bian Shi and The Authenticity of Bian Shi on the Internet. There are many negative reports about Bian Shi on the Internet. I don't understand why no one believes it. Those so-called certificates can be obtained with money. Although Tongrentang also sells bian stone, it sells medicine, and the bian stone it sells is also purchased, which may not be true or false. Now the Bian Shi market is extremely hot, and Tongrentang has not missed this opportunity to make a fortune. Why are people always so impulsive? ! When a business is hyped, many people always believe it. A word of advice, don't buy it. You didn't read a lot of questions, all of which were deliberately asking me where I could buy real stones. Then someone answered an online shopper and even took the initiative to write down the contact information below, which was immediately adopted as the answer. This trace of self-questioning and self-answering is too obvious. I have been fooled many times. I bought a bian stone on impulse and wore it for several months, but it didn't work. It's not as amazing as the internet says. In that case, the number of the hospital will easily hang up, and no one will go to see the doctor. Bian Shi is the most primitive therapeutic instrument of the ancients, and it has been re-hyped by businessmen now. At that time, there were no other musical instruments. Later, with acupuncture and the like, it was gradually eliminated. Moreover, as TV said, Bian Shi itself is not mysterious, mainly because of its technique. Without this technology, Bian Shi would be an ordinary stone. You can't learn this technology casually, or the doctors in Chinese medicine hospitals will lose their jobs. Think about it.