Aim: To measure the healthy degree of the life style of students in vocational colleges, and explore the effect of different food and boarding on the healthy degree of life style. Methods: 1 With the cluster stratified randomized sampling, 450 students with the average age of (18±1) years from 10 classes of 1-4 grades (2002-2005) majoring in medicine, pharmacy and nursing, Department of Medicine were selected as the subjects from Hunan Environment-Biological Polytechnic from May 11th to 20th, 2006. 2 The improved Healthy Life Style Scale desig...