When taking medication, you should follow the doctor’s instructions and use the full amount of medication to prevent the occurrence of drug resistance. 1. Compliance: Self-abuse of drugs is one of the main causes of drug resistance. Therefore, in order to prevent the emergence of drug resistance, individuals should avoid the behavior of drug abuse, the use of drugs should follow the doctor’s instructions, in order to get the proper effect of the drug. 2. Adequate dosage of medication: when dealing with illnesses, it is not better to take as much medication as possible, and individuals should not reduce the dosage of medication on their own for fear of the side effects of the medication, as an overdose or an insufficient dosage of medication may cause drug resistance. Therefore, in the use of drugs to ensure that the use of drugs can be effective control of the disease, do not change the dose of drugs. 3. Full use of medication: Stopping medication on one’s own is also a common cause of drug resistance. Therefore, follow the doctor’s instructions to do the whole course of medication, full course of medication, to prevent the recurrence of the disease, but also to prevent drug resistance. In short, no matter what kind of medication an individual uses, he or she should follow the doctor’s instructions and read the instructions carefully before using the medication, so as to prevent himself or herself from having some incorrect medication behaviors.