Depression has the symptoms of irritability, but irritability is not necessarily depression, it should be analyzed on a case-by-case basis, not generalized. If you are usually irritable and irritable, it is usually related to your personality. If you are usually mild-tempered and suddenly become irritable recently, you can consider the possibility of affective psychiatric disorders including depression, especially in the elderly population. In clinical practice, irritability is not only considered as a possibility of depression, but there are also many diseases that may cause temper to become worse, such as patients with hyperthyroidism, who may get angry for no reason, mostly in women; patients with liver damage, who may become unfriendly and aggressive in their behavior; people with long-term insomnia will develop anxiety, and their temper may sometimes be irritable. Therefore, it is recommended to visit the psychiatric-psychological department of the hospital for further MRI and EEG examinations to clarify the diagnosis. In general, you can participate in amateur activities to relax yourself and keep an optimistic and happy mood.