The purpose of this study is to investigate the relationships between the attitude and performance for the etiquette of vocational high school girls. The main results were as follows: 1) The effective factor of their attitude for the etiquette is the communication level among family members. 2) There is static correlations between their attitude and performance for the etiquette. 3) In order to increase the level of their performance for the etiquette, we should raise the level of their attitude for the etiquette through harmonious communication among family members.