1. Chemicals: Chemicals are drugs composed of synthetic or semi-synthetic chemicals, such as aspirin and cephalosporins.
2. Biological products: Biological products are drugs made by biotechnology, such as genetically engineered drugs and biological analogues.
3. Chinese herbal medicine: Chinese herbal medicine is a kind of natural medicine, which is made of processed plants, animals and minerals, such as ginseng and licorice.
4. Chinese patent medicine: Chinese patent medicine is a medicine made of Chinese herbal medicine according to a certain preparation process, such as Qingrejiedu granules and compound Danshen dripping pills.
5. Chinese herbal pieces: Chinese herbal pieces are a dosage form made of Chinese herbal medicines, such as Radix Isatidis and Yinqiao Jiedu tablets.
6. Medical dressing: Medical dressing is a kind of medicine used for surgical application and wound dressing, such as gauze and bandage.
7. Medical devices: Medical devices refer to devices or instruments used for medical diagnosis, treatment and prevention of diseases, such as sphygmomanometers and electrocardiographs.
In short, drugs are widely used in medical treatment, health care and other fields, including chemicals, biological products, Chinese herbal medicines, Chinese patent medicines, Chinese herbal pieces, medical dressings, medical devices, etc., and are one of the important substances to maintain human health.