Psychological interventions can be made when you can’t quit smoking in pregnancy, as well as having a good family environment, and avoiding blind medication to avoid affecting the development of the fetus. 1. Psychological intervention: When you want to smoke, you can take alternative methods, such as listening to soft music, eating light food, doing beauty treatments, yoga and so on. 2. Family environment: A good family environment is conducive to quitting smoking, so you should ask your family members to avoid smoking at home, and you should also avoid going to environments where there is second-hand smoke and air pollution. Tobacco nicotine and other substances will enter the blood, resulting in fetal hypoxia, affecting normal growth and development, parents should be well prepared for eugenics, do not want a moment of addiction to affect the baby’s life, and do not blindly use the drug, the specific can consult a professional physician’s opinion.