The causes of anxiety disorders are complex, but there are probably the following: 1. family genetic factors, in families with a high prevalence of anxiety disorders, family members are more likely to suffer from anxiety; 2. physiological factors, most emotional activity is caused by neurotransmitters, if the brain imbalance in the secretion of the two transmitters 5-hydroxytryptamine and norepinephrine, it will lead to anxiety; 3. psychological factors, some people Growing up with too harsh education or family disharmony can lead to an anxious personality. This anxious personality will be more likely to produce anxiety when encountering difficulties and obstacles in the future, causing anxiety disorders; 4, social factors, social development is now fast-paced, highly competitive, due to the fear of being eliminated, failure, but also increase the risk of acquiring anxiety; 5, children do not study seriously, parents will also have anxiety.