Choosing the Right Mask: A Guide to Protection and Usage

Common types of masks include regular masks, medical masks, surgical masks, and protective masks. How do you choose a mask that is suitable for you? How do you wear a mask correctly? Let's explai

Jade Needle: A Unique Artifact in the Medical History Museum

　　Collection Institution: Medical History Museum of Guangzhou University of Chinese MedicineMaterial: JadeSize: Longest 18cm, shortest 2.5cm