What are the characteristics and types of pills?

Compared with soup, pills have slower absorption, long-lasting efficacy, save herbs, and are easy to take and carry. It is suitable for chronic and debilitating diseases, such as Liu Wei Di Huang Wan. However, there are also pills that are more severe, mostly aromatic drugs and highly toxic drugs, should not be used for soup decoction, such as Angong Niuhuang Pills, Boatswain's Pills and so on. Commonly used pills are honey pills, water pills, paste pills, concentrated pills, wax pills, water honey pills, micro pills, drip pills.