At the bottom of "Q&A on coronaviruses (COVID-19)" webpage there is a section "Is there anything I should not do?", which lists four measures which ARE NOT effective against COVID-2019 and can be harmful: Smoking, Taking traditional herbal remedies, Wearing multiple masks, Taking self-medication such as antibiotics. See: https://www.who.int/news-room/q-a-detail/q-a-coronaviruses

Checking different language versions of this webpage, you will see this list is the same except in the Chinese version, where "Taking traditional herbal remedies" is removed from the list. See: https://www.who.int/zh/news-room/q-a-detail/q-a-coronaviruses

Chinese is actually using traditional medicine in COVID-19 clinical trials: https://www.clinicaltrialsarena.com/comment/covid-19-clinical-trials/ http://www.chictr.org.cn/showprojen.aspx?proj=49415

Besides herbal medicine, Chinese is also using QiGong in COVID-19 clinical trials: http://www.chictr.org.cn/hvshowproject.aspx?id=22582 http://www.chictr.org.cn/hvshowproject.aspx?id=22264 https://youtu.be/JnbjACXp-SE http://english.eastday.com/Latest/u1ai8666358.html

Placenta: http://www.chictr.org.cn/showproj.aspx?proj=49712

Umbilical Cord Blood Plasma: http://www.chictr.org.cn/showprojen.aspx?proj=49382

General Secretary Xi Jinping is a strong advocate of traditional Chinese medicine http://www.xinhuanet.com/english/2019-10/25/c_138502458.htm