Baiying has the effect of clearing dampness-heat, detoxifying and reducing swelling. Baiying can be used to treat wind-heat cold, fever and cough. Baiying, also known as Ghost Eye Grass, White Grass, White Curtain, Pai Feng, Pai Feng Grass, etc., is slightly bitter in taste and flat in nature; it belongs to the liver, gallbladder and kidney meridians. Clinically, it can be used to treat malaria, jaundice, edema, gonorrhea, rheumatoid arthritis, cholecystitis, cervical erosion and so on. Although Baiying can be used to treat a variety of diseases, it must be used on the basis of traditional Chinese medicine diagnosis. Moreover, there are some differences in the way of administering the drug for different diseases, so it is important to strictly follow the doctor’s instructions and use the correct usage of Baiying in order to make the drug exert its due efficacy.