Answer:
Sociologists use the term Alternative Medicine to describe Yu´s practice.
Step-by-step explanation:
Traditional medicine is very used in Asian and African countries. When these technics are used out of the culture they are considered as alternative medicine.
In Asia, Traditional Chinese Medicine is used to describe all of the different manners Asians inhabitants had to approach medicine. While Western medicine focuses on the problem, Chinese Medicine treats the body as a whole.
I hope this answer helps you.