Abstract:With the increasing morbidity of coronary heart disease(CHD )and depression, the relationship between the two had attracted more and more attention. Depression was an independent risk factor for the morbidity and mortality of coronary heart disease. Depression not only affected the prognosis of coronary heart disease, but also seriously reduced the quality of life of patients. Therefore, it aimed to summarize the epidemiological characteristics, influencing factors and treatment methods of CHD co-depression, so as to provide help for clinicians to better understand CHD co-depression and treatment methods.