(1) Most students had correct understanding on diseases in school, social vices and bad habits; 96.3% of students knew that seat for reading and studying should be enough light; 92.4% of students knew to sit on right posture; 93.2% of students knew to brush the teeth regularly; 91.9% of students knew to take a shower with clean water to protect the skin; 92.6% of students knew that the learning neglect was the harmful effect of game addiction; 91.5% of students knew that the disadvantage of game was effective to the eyes; 97.1% of students knew that smoking led to the risks of lung disease; 95.3% of students knew that drinking alcohol was harmful to the health.