Objective: Describe knowledge and attitude about first aid of first year students in Viet Nam National University, Ha Noi in 2013. Method: Descriptive cross-sectional Results: Study in 444 students showed that just have 202 students (45,5 percent) have knowledge pass about first aid. There are 192 students (44,4 percent) have ready operated first aid in accidents. The main reason mades them confused because they afraid of wrong doing to lead harmful patients (75 percent). Conclusions: Knowledge about first aid of first year students is low. Students haven't yet ready first aid in accidents because they afraid of wrong doing to lead harmful patients. First aid is essential to train in universities, colleges and professional high schools.