Medicines can be said to be a necessity for everyone because it is impossible for a person to go through life without getting sick. Sickness is not scary, what is scary is not treating it early and regularly. Medicines are categorized into prescription (R) and over-the-counter (OTC) medicines. Prescription drugs refer to: drugs sold, purchased and used with a physician’s prescription. OTC refers to drugs that can be purchased and used by patients under the guidance of a physician. Tips for preparing medicines in the family medicine box: 1, medicines must be categorized and stored separately for internal and external use. 2, strictly in accordance with the indications of the use of drugs, do not take the wrong medicine. 3, strictly grasp the dosage, not overdose. 4, pay attention to the side effects of several drugs, try to use a single drug. 5, pay attention to the expiration date, do not eat spoiled expired drugs, remember to clean up and destroy expired drugs in a timely manner. 6, pay attention to the safety of storage, pay special attention to avoid pediatric self-taking accidental consumption.