Always want to get angry may be caused by the following reasons: first, with depression, anxiety and other psychological problems, depression and anxiety can easily cause patients depressed mood, happy, always nervous, anxious, worried, fearful. If this is the case, the patient is likely to always be irritable, temper becomes large, angry, and even sensitive, suspicious, easily provoked, because of some small things and others conflict and contradiction. Second, it may be caused by physical diseases, such as endocrine disorders or abnormal secretion of hormones in the thyroid gland, such as hyperthyroidism, also known as hyperthyroidism, hyperthyroidism is easy to cause temper, angry with others, love to lose temper, and even hands to fight with others, quarrel. Third, it may be caused by personality factors, some paranoid people or people with personality disorders are likely to be irritable, and even love to quarrel and fight with others as always, these people may have problems in their character or personality development, such as self-centered, very selfish, convinced that they are right, etc. The above reasons are more common.