Objective To compare the characteristics and abnormity of lipid metabolism among three groups of population in Yangpu.Methods The data of blood lipids of three subpopulations were collected by epidemiologic investigation and experimental examination.Results The abnormal rates of total cholesterol and triglycerides were 50.85% and 56.91% in patients with coronary heart diseases;41.28% and 46.82% in patients with diabetes,23.58% and 32.46% in staffs of enterprises.The abnormal rates of total cholesterol and triglycerides were 43.55% and 51.75% in over-weight subjects,and all of them were higher than those in subjects with normal body mass index.The abnormal rate of triglycerides was significant higher in subjects with abnormal ratio of waist-hip(46.35%) than that with normal ratio(39.77%,P