What you want to ask is how to get from Beijing Badachu Plastic Surgery Hospital to Peking Union Medical College Hospital (Dongdan Campus)? You can take subway line 5.

According to Baidu map query, you can take Metro Line 5. The itinerary is as follows: Beijing Badachu Plastic Surgery Hospital walks 1.4km, get on at Datun Road East Station, take Metro Line 5 at Station 9 (direction of Songjiazhuang), get off at Dengshikou Station (exit A), and walk 540m to Peking Union Medical College Hospital (Dongdan Campus).