Women are not allowed to smoke after pregnancy, not only after pregnancy, but also in the preparation period is not recommended to smoke, women often smoke after pregnancy may lead to the following aspects of harm: 1, smoking may lead to miscarriage, smoking women than non-smoking women miscarriage rate to increase by more than 10 times; 2, may lead to low weight fetus; 3, cigarettes in the Harmful ingredients in cigarettes will affect the normal development of the fetus, resulting in a higher chance of abnormal development of the fetus; 4, clinically, pregnant women often smoke may also lead to congenital heart disease in the fetus, but also affect the intellectual development of the fetus, so women should stay away from alcohol and tobacco after pregnancy, so as not to bring greater harm to the fetus.