The hazards of frequent anger during pregnancy are the following: first, the mother’s body is not good, often angry people are also more emotionally unstable, easy to make the endocrine system disorder, especially in pregnancy endocrine more vigorous, this time angry endocrine more disorder, may make the mother’s health is seriously affected. Secondly, it can make the mother suffer from anxiety, anger will affect the quality of the mother’s sleep, will lead to poor rest, long-term insomnia is more harmful to the human brain, may lead to forgetfulness memory loss or even neurological disorders. Third, the fetus is also not good, the fetus in the mother can also feel the mother’s emotions and other aspects of change, if the mother often angry during pregnancy will make their own blood circulation is poor, the fetus will not be able to get sufficient nutrition, the fetus may be born in the future low weight fetus. In addition, it may also have a negative impact on the fetus’ psychology and affect its personality development.