Health education classes are set up in the department, professional doctors are invited to teach, and knowledge of prevention and treatment of coronary heart disease is propagated. During the lecture, patients can ask questions they don't understand on the spot, and the teacher can answer them in a targeted way. Patients can communicate with each other. At the same time, the column of health education for coronary heart disease in the elderly is filled out on the wall of the department, which is managed by special personnel, and the new education content is changed regularly, so as to improve the level of health knowledge of patients with diversified education methods and enrich the cultural life of patients during hospitalization