Pills: refer to spherical preparations made from fine powder of a drug or an extract of the drug added with suitable binders or auxiliary materials. Pills disintegrate slowly in the gastrointestinal tract after being taken, gradually releasing the drug, and have a long-lasting effect. It can delay the absorption of toxic, violent and irritating drugs, thereby weakening the toxicity and adverse reactions of the drug. Therefore, it is mostly used clinically to treat patients with chronic diseases, long-term illness and frailty, and to reconcile Qi and blood after illness. Pills can be divided into the following types according to different production methods and excipients: Honey pills: Pills made of fine powder of the drug and honey as a binder. According to the size of the pills and the preparation method, they can be divided into large honey pills (that is, pills with each pill weighing more than 0.5 grams) and small honey pills (that is, pills with each pill weighing less than 0.5 grams), such as "Angong Niuhuang Pills" , "Amber Baolong Pills", "Bazhen Yimu Pills", "Ginseng Yangrong Pills", etc. Water honey pills: refers to pills made of fine drug powder with honey and water as a binder. Water pills: Water pills, also called water pills, refer to small spherical dry pills made of fine drug powder and cold boiled water, medicinal juice or other liquids (yellow wine, vinegar or sugar solution) as a binder. Because the adhesive is water-soluble, it is easily disintegrated and absorbed after taking it, and the effect is rapid. Such as "Muxiang Shunqi Pills", "Jiawei Baohe Pills", etc. Concentrated pills: Concentrated pills, also known as "plaster pills", refer to pills made by concentrating the extract of some drugs into a paste and fine powder of certain drugs, and using water, honey or honey and water as a binder. "Anshen Buxin Pills", "Shugan Zhitong Pills", etc. Paste pills: refer to pills made of fine drug powder with rice flour, rice paste or batter as a binder. Wax pills: refer to pills made of fine drug powder and beeswax as a binder.