Always irritable, temperamental may be caused by the following reasons: 1, there may be emotional problems, or even already have depression, anxiety and other psychosomatic disorders. If it is an emotional problem, it is easy to appear mood suppression, irritability, sensitivity, paranoia, to other people’s every move especially care, and even repeatedly think about painful things, this time will become unstable temper, and even easy to provoke, always because of small things with people lose their temper, fight with people and so on. 2, it may be caused by character defects, such as introversion, low self-esteem, easy to be anxious, and it is possible that some people are particularly strong, is Perfectionism, may be because of some trivial things will be irritable, or even particularly easy to lose their temper with others. 3, may be caused by organic diseases, such as the sequelae of cerebral infarction, or after drinking alcohol, some people may also appear temper, love to lose their temper, irritability, etc., especially after long-term alcohol consumption will be a change in personality, may appear to love to lose their temper, easy to be irritable and so on. 4, it may be It is caused by social factors, such as facing more pressure, heavy economic burden, husband and wife relationship disharmony, as well as long-term family conflicts, etc., these problems are also easy to make people become always irritable, easy to be nervous, and even especially love to lose their temper, etc., the above reasons are more common.