He says that he has been teaching Chinese medicine for 20 years and has never seen an actual tiger penis. In reality, you won't find tiger penis listed in any dictionary of Chinese medicine. In the thousands of years that Chinese medicine has been practiced, no one has ever claimed tiger penis has any special use, and modern doctors of Chinese medicine won't prescribe it.
事實上，找遍中國藥典，從來沒有虎鞭這一味中藥，千百年來中醫師從未說過它有特別藥效，現代的中醫師也不會去開這一味藥；虎鞭能「壯陽」的說法，多半是被跑江湖、擺地攤的賣藥人附會出來的。