Objective To understand the knowledge level of prevention and control of chronic disease among inpatients in a hospital,grasp their behavior change and complications for high blood pressure and diabetes and evaluate the effect of health education implemented by clinicians. Methods All inpatients with hypertension,diabetes and complications during 2011- 2012 in Forth Hospital of Handan City,Hebei Province,were enrolled and they were randomly divided into intervention group( n = 838) and control group( n = 89...