Subjective symptoms and personality of 3, 447 male workers in a dairy product company were assessed by a health questionnaire, the Todai Health Index (THI). Thirty-three branches of the company were distributed from Hokkaido to Kyusyu, Japan. The age of the subjects ranged from 18 to 59 years. "MP counselor" was applied, which is a registered trademark of THI. Their job was classified into three: production process work (group A), clerical or technical work (group B), and sales work (group C). Technical workers of Group B were mainly the heads of group A. Over the half of group C workers were engaged in transportation work and the rest of them are sales workers. According to the job analysis, group A workers are blue-collars, group B workers are white-collars, and group C workers are blue- and white-collars. Mean value of aggressive scale in group C was significantly higher than that of group A and (or) B in every age class. Except the subjects under thirty years old, mean value of scale score of irregularity of life of group C was significantly higher than that of group A and (or) B. Except in their thirties, mean value of discriminant function value of psychosomatic disease of group C was significantly higher than that of group A and (or) B. Other mean values of scale scores, which were significantly higher in group C than those in group A and (or) B, were mouth and anus under thirty years old, subjective symptoms, respiration, and eye in their forties and fifties, skin and digestion in their fifties. All of these scales are related to physical complaints. These results indicate that sales workers should be marked as a group which needs daily life management and health care on their specified physical and mental complaints.