The purpose of this study was to understand sodium intake and related factors among participants undergoing a physical examination. Questionaires were employed for data collection. Two hundred twenty adults who entered a teaching hospital for physical examination from Nov. 9, 1992 to Jan. 17,1993 were interviewed. The results indicated that (1) the average frequency of sodium intake was 4.6 times per week; (2) the subjects mone likely to have a high sodium intake were male, aged 40 years and unkey words: sodium intake, health belief der, had a middle school or higher educationwereemployed, and had no chronic disease, or CVD family history. (3) CVD family history and perceived barrier to low sodium intake were significantly associated with the frequency of sodium intake. In order to encourage people to have a low sodium diet,an interventional program should be focused on managing or decreasing the barriers to having a low sodium diet.