The objectives of this research were 1) to study the behavior and decision to buy online food of vocational students in Phitsanulok Province 2) to compare of personal factors with behavior and decision to buy online food of vocational students in Phitsanulok Province and 3) to study online food shopping behavior affecting to buy online food decisions of students vocational in Phitsanulok Province. The research was a quantitative research using questionnaires from 400 vocational students in Phitsanulok Province. Data was systematically analyzed by percentage mean standard deviation (S.D.) t-Test One-way ANOVA and multiple regression analysis. The result showed that the behavior of buying online food was at moderate level. The decision to buy online food was at moderate level. Difference Personal factors including gender year of study type of subject housing type and monthly income had different of behavior of online food shopping with no statistical significance. Difference Personal factors including type of subject and monthly income had different of decision to buy food online with statistical significance at .05. Online food purchasing behavior effecting decision to buy food online with statistical significance at .05.

The purposes of this research were 1 ) to study the personal factors of students in the Home Economics Vocational Certificate Program Phitsanulok Vocational College. 2 ) Study the socio- economic factors of students in the Home Economics Vocational Certificate Program Phitsanulok Vocational College. 3 ) Study the choice of Home Economics Vocational Certificate Program Phitsanulok Vocational College.4) To study the relationship between personal factors and choice of study in Home Economics Vocational Certificate Program Phitsanulok Vocational College and 5 ) comparison of the importance level in choosing to study Home Economics Certificate Program of Phitsanulok Vocational College students classified by socioeconomic factors. The population is 2 7 4 students studying in the Home Economics Certificate Program at Phitsanulok Vocational College in the first semester of the academic year 2 0 2 1 by using a specific selection method. The research instrument was a questionnaire. The statistics used for data analysis were frequency percentage mean standard deviation chi -square and one-way analysis of variance.The results of The results showed that 1 ) students in the Home Economics Vocational Certificate Program Phitsanulok Vocational College is mostly female. The original qualification was lower secondary education with a cumulative GPA in the range of 2.01 - 2.50. The students are currently studying at the Vocational Certificate Level 3 in the field of Food and Nutrition and all of them live in Phitsanulok Province. 2) Most of the families have a total monthly income of 5001 - 10000 baht with their parents being general laborers and students coming from medium-sized families while parents have a high school education. And students are the roles in the choice of studies. 3) Students give importance to choosing to study in Home Economics Vocational Certificate Program Phitsanulok Vocational College. Overall its at a high level. When considering each aspect in descending order it was found that the measurement and evaluation aspect had the highest mean followed by the instructor and the least was the environment and facilities.For the students current educational level it was found that there was a relationship with the choice of study in the Home Economics Vocational Certificate Program Phitsanulok Vocational College by classification according to student development activities statistically significant at the .05 level. 5) In terms of different socio- economic factors it is important to choose the Home Economics Vocational Certificate Program Phitsanulok Vocational College. The relationship was not significantly different at the .05 level.