Depression is an episode form of manic-depressive disorder. It is characterized by depressed mood, slowed thinking, and reduced and delayed speech and movement as typical symptoms. Depression seriously disturbs the life and work of patients and brings heavy burden to family and society, and about 15% of depressed patients die by suicide. So, what are the types of depression? The following describes the types of depression? 1, insidious depression: symptoms of low mood and depression are not obvious, often manifested as a variety of somatic discomfort symptoms, such as palpitations, shortness of breath, chest tightness, sweating, wasting, mid and upper abdominal discomfort, insomnia, etc. 2. Endogenous depression: there are five signs of laziness, dullness, change, worry and concern (relative or absolute deficiency of biogenic amines in the brain). 3, secondary depression: if there are patients with hypertension, after taking antihypertensive drugs, resulting in continued depression, depression. 4, white-collar depression: young men and women suffering from depression, disruption of the neuroendocrine system, the normal physiological cycle is also disrupted, with a variety of symptoms, in addition to mental depression, inactivity, excessive thinking, depressed mood, insomnia, dreaminess, sulking, dizziness, forgetfulness and other major mental symptoms, anorexia, nausea, vomiting, abdominal distension and other symptoms of digestive and absorption dysfunction, menstrual disorders, menstrual abdominal pain and other gynecological Symptoms are not uncommon. 5, adolescent depression: it can lead to learning difficulties, inattention, memory loss, overall decline or sudden decline in performance, anorexia, fear of learning, truancy or refusal to learn. 6, postpartum depression: its especially strong guilt, low self-esteem, hatred, fear, or aversion to their babies perverse psychology. Crying, insomnia, inability to eat and depression, are common symptoms of such depressed patients.