Amoxicillin should be used with caution in pregnant women in the 4th month of pregnancy, and the use of medication during pregnancy must follow the guidance of a medical professional. Oral drug amoxicillin can be used to treat a variety of infections of the respiratory tract, urinary tract, digestive tract, etc. It is prohibited for people with penicillin allergy and allergy. For pregnant women, amoxicillin has no absolute contraindications, but should try to avoid the use of, if there are indications for the use of medication, need to be weighed by a specialist physician after the use of medication. Amoxicillin may cause diarrhea, nausea, vomiting, skin rash, anemia, liver function impairment, mental hyperactivity and other adverse reactions, if occurring in pregnant women, the mother and fetus have an impact, pregnant women using this drug, need to closely observe the reaction of the use of the drug, if there is discomfort need to stop the drug in time to seek medical attention. Pregnant women should try to choose drugs that have little effect on the embryo, and must be diagnosed by a doctor, there are clear indications for the use of medication can be used, the symptoms improve after the need to stop using the drug in a timely manner. During pregnancy, pay attention to more rest, at the same time should be relaxed, avoid tension, anxiety, any discomfort should be timely to the hospital, the doctor clear diagnosis, and cooperate with the doctor to deal with the symptoms.