According to the information found on the Internet, the treatment of cancer by traditional Chinese medicine in Zheng Wenyou has always been run by children, daughter-in-law and others. It seems to be just selling drugs, which is not very credible. I suggest you take a look at this:/playlist _ show/ID _18166579.html? Sf= 1020 1, Peng new traditional chinese medicine; /playlist _ show/id _ 179 14909 . html？ Sf= 1030 1, The Complete Works of Saint Education Changing Fate.