1, drugs: refers to the prevention, treatment, diagnosis of human diseases, purposeful regulation of human physiological functions and the provision of indications or functions, usage and dosage of substances, including Chinese herbal medicines, Chinese medicinal tablets, proprietary Chinese medicines, chemical raw materials and their preparations, antibiotics, biochemical drugs, radiopharmaceuticals, serums, vaccines, blood products, and diagnostic drugs and so on. 2, the format of the approval number of domestic drugs is: State Drug Permit H (Z, S, J) + 4 years + 4 sequential number, where H stands for chemical drugs, Z stands for traditional Chinese medicines, S stands for biological products, and J stands for the imported drug sub-packages. (Currently there are B) 3, foreign “imported drugs registration certificate” certificate number format: H (Z, S) + 4 years + 4 sequential number; 4, Hong Kong, Macao and Taiwan, “pharmaceutical products registration certificate” certificate number format: H (Z, S) C + 4 years + 4 sequential number, of which H on behalf of the chemical, Z on behalf of the traditional Chinese medicine, S on behalf of biological products. 5, the inner label of the drug: should contain the generic name of the drug, indications or functions, specifications, dosage, date of production, product lot number, expiration date, production companies and other content. 6, psychotropic drugs: refers to the direct effect on the central nervous system, can make it excited or inhibited, continuous use of drugs can produce mental dependence. In clinical practice, psychotropic drugs are used to treat or improve abnormal mental activities, so that disturbed thoughts, emotions and behaviors return to normal. Characteristics of mental dependence include a requirement for continuous use of a drug in order to pursue the comfort produced by taking the drug, with no tendency to increase the dosage or a very small tendency to discontinue the drug without withdrawal symptoms, and the harm is mainly to the person using the drug. 7, narcotic drugs: refers to the continuous use of drugs that are easy to produce physical dependence, addiction; narcotic drugs are different from drugs used for clinical anesthesia. Clinical drugs used for general or local anesthesia refer to drugs that can temporarily cause different degrees of loss of consciousness and sensation, or can block nerve conduction at low concentrations, resulting in temporary reversible loss of pain in specific parts of the body, so as to facilitate medical treatment or surgery without leaving behind nerve loss. Specially managed narcotic drugs are capable of addiction after continuous use, jeopardizing people’s health. Such as morphine analgesics, they can act on morphine receptors and play a paroxysmal effect. Narcotic drugs, including opioids, cocaine, marijuana, synthetic narcotics and the State Drug Administration designated other addictive drugs, medicinal plants and their preparations. 8, how to distinguish between health food and drugs? The simplest way is that when you buy drugs, be sure to now look for drugs on the box “approval number”, the beginning of the approval number of drugs for the “State Drug Permit”, the beginning of the approval number of health care products for the “State Food and Health Word The approval number for medicines starts with “State Drug Approval”, and the approval number for health food products starts with “State Food and Health Character” or “X Wei Food and Health Character (where X stands for the abbreviation of a certain region)”. When you decide to buy drugs or health food must first look at the “approval number”, do not buy products without an approval number, so as not to be deceived. 9, why are drugs divided into prescription drugs and non-prescription drugs? In order to ensure the safety of patients, according to the use of drugs, safety, dosage form, specifications, different routes of administration, drugs are divided into prescription drugs and over-the-counter drugs. Prescription drugs are drugs that must be prescribed by a doctor and must be purchased by the patient with a doctor’s prescription. Over-the-counter drugs are drugs that consumers can buy and use at a pharmacy without a doctor’s prescription. OTC medicines are divided into Class A OTC medicines and Class B OTC medicines according to their safety. Class A non-prescription drugs must be purchased and used in pharmacies under the guidance of a professional; while Class B non-prescription drugs, in addition to being sold in pharmacies, can also be sold in supermarkets, hotels, department stores and other locations approved by the Drug Administration. 10.How to know whether the medicine I buy is prescription or non-prescription? To the drugstore to buy drugs, the first thing you can look for in the drugstore, if there is a counter marked with a large eye-catching green “OTC” logo, then, this counter is sold over-the-counter drugs, if the counter is a “prescription drug” logo, this counter is selling If there is a “prescription” sign on the counter, the counter is selling prescription drugs. If the pharmacy does not have such a sign, you can ask the pharmacy clerk to let you look at the packaging and instructions for the drug, the packaging of over-the-counter drugs printed on the nationally designated over-the-counter proprietary logo (OTC). In addition, if you look at the instructions for an OTC drug, you will also see a cautionary statement: please read the instructions for the use of the drug carefully or purchase and use under the guidance of a licensed pharmacist. The instructions for prescription drugs say: please buy and use with a doctor’s prescription. 11, where to buy drugs quality is guaranteed? If you do not know your own condition, do not blindly buy their own medicine to use their own medicine, it is best to go to the hospital, clinic to see a doctor, and then according to the doctor’s prescription to buy and use drugs. 12.How to recognize illegal drug advertisements? When you see drug advertisements containing the following words, don’t believe them: “the best efficacy”, “cure”, “cure”, “safe prevention”, “safe and without side effects”, “the latest technology”, “the highest scientific method”, “king of medicine”, “national new drug”, “cure rate of more than 90%”, “effectiveness rate of 100%”. Effective rate of more than 90%”, “100%” and other similar propaganda, claiming that “ineffective refund”, “insurance company insurance” are illegal drug advertisements, exaggerated propaganda, deception of consumers. 13.What should I do if I have an adverse drug reaction? If the symptoms of adverse drug reaction occur, as a patient should first stop taking the suspected drug and consult with a doctor. If the suspected symptom is indeed an adverse drug reaction, the drug should be taken with caution in the future. If the adverse reaction is very serious, avoid taking the same medicine again. If the adverse reaction has already occurred and is very serious, the patient should go to the hospital for treatment and promptly use other medicines that will help the drug to be eliminated from the body and protect the function of the organs concerned.