Always angry, angry is mainly caused by the following reasons: first, may be the emergence of anxiety, depression and other mental, psychological problems, these mental, psychological problems are more common, especially anxiety, depression when the mood is depressed, happy, always irritable, anxious, worried, etc., this time it is easy to love anger, temper becomes large, and even some small things to quarrel with people, fighting. Second, may be currently encountered frustration, especially social pressure, work tension, colleagues do not get along, family conflicts, etc., when these frustrations appear, it is easy to cause defensive reactions, such as anger with people, love to get angry with people, these may be more negative way of defense. Third, there may also be character and personality defects, some people are more introverted, sensitive, at the same time to strong, perfectionist, encounter things are particularly easy to stress, anxiety, these people may appear love to anger, temper and other emotional problems or behavioral problems. Fourth, there are also some people may be caused by physical diseases, such as hyperthyroidism, also known as hyperthyroidism, hyperthyroidism patients are prone to panic, palpitations, hand trembling, sweating and other physical problems, as well as temper and love to get angry with others, quarrels and other emotional problems, the above reasons are more common.