Generally, each kind of drug will have a representative drug, through which you can know this kind of drug. So you only need to master these representative drugs, and you can basically master the key points of pharmacology. For other drugs in this category, as long as we know which category it belongs to, we can understand its general function. Secondly, we should adopt the method of comparative memory. The multiple-choice test sites of pharmacology are more detailed, and it is often not enough to remember the same characteristics to deal with multiple-choice questions. Therefore, on the basis of mastering the similarity of similar drugs, we should compare and remember the subtle differences between them. For example, although there is only one word difference between scopolamine and scopolamine, the former mainly acts on the center and the latter mainly acts on the periphery. The difference of this effect is mainly determined by the difference of its chemical properties (fat solubility). The so-called structure determines nature, and nature determines function. Thirdly, we should be good at horizontal induction and summary. We basically study each kind of drugs in the textbook according to the order of action mechanism, pharmacological action, clinical application, adverse reactions and contraindications. However, various drugs are inextricably linked. Different drugs may have the same effect, and multiple drugs may be used to treat the same disease, and the combined use of these drugs may affect each other. Therefore, in the process of learning, we must constantly summarize horizontally. For example, which drugs can induce liver drug enzymes? What medicine can dilate blood vessels? Which drugs have anti-inflammatory effects, and what is their anti-inflammatory mechanism ... These horizontal and vertical knowledge points are interspersed among them, and gradually form a knowledge network, which makes you feel comfortable in the ocean of pharmacology. Finally, there are some tips for pharmacological learning, which are easy to remember when used well. For example, glucocorticoid has four physiological functions: increasing sugar, dissolving eggs, separating fat and keeping sodium; Four major anti-effects: anti-inflammatory, anti-toxic, anti-allergic and anti-shock. As for its adverse reactions, you can remember them with pictures in the book, which is both simple and impressive.