Reactive depression is a kind of psychosomatic disease, usually caused by mental tension and strong mental stimulation, which will make the patient have symptoms such as low mood, boredom, resentment, tension, etc., and will have serious impact on work and life. 1. Causes: Reactive depression can be induced by excessive mental stress over a long period of time, or some sudden accidents in life, such as widowhood, career, traffic accidents, etc., which are beyond the scope of one’s ability to handle. 2. Symptoms: Reactive depression will have a serious impact on the patient’s psychology, causing the patient to have low mood, resentment, tension, anxiety, boredom, mood is easily affected by the environment, and at night there will be difficulty in sleeping. 3. Harmful: reactive depression will have an impact on the patient’s work, will lead to a significant decline in work efficiency, and will also increase the burden on the family, and even increase the risk of suicide. Therefore, after the symptoms of reactive depression, we should consult a doctor as soon as possible for examination and treatment, so as to avoid the continuous aggravation of the disease.