Nervousness is one of the most common emotional reactions in human beings. Prolonged bad moods or excessive emotional changes in pregnant women in the early stages of pregnancy may lead to a series of physiological changes in the body, affecting the healthy development of the baby. However, occasional and short periods of nervousness do not cause significant adverse effects on the baby’s development. In the early stages of pregnancy, a critical period for the development of the baby, pregnant women for a long time or frequent, too drastic changes in various emotions will cause different degrees of adverse effects on the development of the baby, pay attention to debugging their moods, maintain a happy mood, participate in more outdoor activities, and cultivate some positive, optimistic and upward interest. Pay attention to sufficient rest, do not labor.