The onset of depression is related to many factors, which are currently categorized into internal and external causes: first, internal causes, internal causes include genetic abnormality, personality, family environment, and education, etc.; second, external causes, or so-called triggers, a variety of stimuli, a variety of stressful changes may lead to changes in the brain’s mood-related substances, which are called neurotransmitters, neurotransmitters will cause changes in the mood of changes in the so-called substance determines the consciousness, the substance will change the mood will be low, easy to look at the bad side of the things that happen to the person, the body appears to have all kinds of discomfort, as well as changes in sleep.