Professor Zhang Li, is it true?

It's true.

Professor Zhang Li is real. Born into a medical family, he studied under many masters of traditional Chinese medicine and famous old Chinese medicine practitioners. Engaged in scientific research, teaching and clinical work of integrated traditional Chinese and western medicine and biomedicine for more than 30 years, with profound theoretical foundation and rich practical experience. Invited to give lectures and exchange in many countries, and spread knowledge of medicine, health culture and peptides in health columns of various media. Known as "health ambassador" and "the first person on CCTV to talk about peptides". So the answer is that Professor Zhang Li is real.

I hope my answer can help you!