Mood disorders in childhood mainly include several aspects of emotional character depression and personality irritability, such causes are mainly caused by the following aspects: firstly, due to physical factors, most of the mood disorders occur due to family history, the child’s father or mother and other immediate family members also have a history of mood disorders, the child is often more likely to suffer from mood disorders. Again is caused by triggering factors, common triggering factors include family changes, environmental disharmony, such as parents have a single-parent family or parents often appear to quarrel, this situation will also appear mood disorders. Again is due to the pressure of learning is relatively large caused by the child’s personality is relatively introverted, learning pressure is relatively heavy, poor academic performance, which causes increased pressure, emotional disorders.