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Objective The current study was designed to investigate the features of a family with familial hypercholesterolemia(FH). Methods Twenty members of three generations in a family with FH were enrolled in the study. The data collected were from clinical observation and subjected to pedigree analysis.Results The proband was a 41 years old male who suffered from angina pectoris with multi-vessel stenosis of coronary artery at the age of 40. Among 20 members,8 individuals were demonstrated with hypercholesterolemia in this family with the total incidence of 40％[54.5％ (6/11) in male and 22.2％ (2/9) in female ]The serum total cholesterol level was elevated in childhood from 7.1 to 10. 8 mmol/L and tended to be raised with increasing age. In addition, the level of total cholesterol was found to be elevated both in a monozygote twin brothers and their offspring in the family.Conclusion FH appears to be a hereditary disease of autosomal dominance inheritance and the outcome of FH patients with coronary heart disease seems to be poor in prognosis.