Inexplicable want to cry depressed mood, may be related to their own personality factors, may also be due to social factors or depression and other reasons. 1. their own personality factors: some people are naturally introverted, too sensitive, easy to be suspicious of other people’s every move or speech evaluation is particularly concerned about, it is likely to inexplicably want to cry, low mood phenomenon. 2. Social factors: if their own economic burden is too heavy, mental stress, and interpersonal relationships are too tense, there are family conflicts, etc., and these problems are difficult to be effectively resolved in a short period of time, a long time by the plague of these undesirable factors, it is easy to make people become sensitive, nervous, accompanied by aggrieved, depressed and other negative emotions, may appear inexplicable want to cry, depressed mood. 3. Depression: the disease is a mental disorder, the patient is mainly manifested as low mood, can not interest in anything, easy to labor, easy to fatigue, and also accompanied by self-blame, low self-esteem and other psychological, can not see any hope for the future, there are pessimism, disappointment and other negative psychology, it is easy to inexplicable aggression, want to cry. Inexplicable want to cry depressed mood, should pay attention to their own emotions well regulated, if the persistence can not be relieved, should be as early as possible to the regular hospital, a clear diagnosis, by the doctor’s guidance on symptomatic treatment and conditioning.