The mood is always irritable and loves to lose temper, clinically it is more common in patients with anxiety disorder, or depression. When patients have anxiety disorder, they are mainly worried, nervous and afraid, so they will appear to be fidgety, fearful, terrified, and have a sense of great disaster, accompanied by plant nerve dysfunction. This is why the patient shows temper tantrums and irritability. Once anxiety disorder is diagnosed, systematic anti-anxiety treatment is clinically required. When patients have depression, some patients are mainly psychomotor agitated, for example, patients repeatedly think about things without purpose, the content of thinking is unregulated and in a state of tension, patients will be irritable, nervous, love to lose temper, clenching hands, rubbing hands and feet, walking back and forth, and sometimes there are some movements that cannot be controlled. Therefore, the patient will show irritability and tantrums for unknown reasons. Once diagnosed as depression, systematic antidepressant treatment is needed clinically, such as the application of 5-hydroxytryptamine reuptake inhibitor class antidepressants, which can achieve good therapeutic effect.