1.Pregnancy physical examination, and strive to get pregnant in a healthy state; 2.Any application of drugs must be taken under the guidance of a doctor, pharmacist; 3.Pregnancy such as the discovery of a chronic disease, the use of medication should be taken into account in the continuity of the pregnancy and safety of medication, to avoid the use of medication that may jeopardize the fetus; 4.Early in pregnancy (12 weeks) as far as possible not to use medication; 5.With the conclusion of the more certain medications, to avoid new drugs; 6.Do not take their own medication or listen to the prescription to prevent accidents; 7.When using medication, pay attention to the words on the bag of caution, contraindication, prohibited. New drugs; 6, do not use their own random drugs or listen to the prescription, secret prescriptions to prevent accidents; 7, the use of drugs, pay attention to the bags of pregnant women with caution, contraindicated, prohibited words; 8, must be used when the drug, try to choose to the fetus without damage or small impact of the drug, and try to avoid the joint use of drugs; 9, pregnant women accidentally taking teratogenic or possibly teratogenic drugs, should be under the guidance of a doctor, according to the pregnancy time, the amount of drugs, the time of the drug, comprehensive consideration of whether to terminate the pregnancy 10, most of the instructions of proprietary Chinese medicines are relatively simple, many instructions are not set in the precautions for pregnant women, because it is difficult to weigh the advantages and disadvantages of the use of medicines for pregnant women, should be careful with the use of medicines, to ensure the safety of medication.