Objective    To explore the characteristics of emotion and mental health of soldier under field training stress.     Methods    Self-rating anxiety scale

self-rating depression scale and stressful psycho-behavior questionnaire were used to evaluate soldiers’ state under field training.     Results    At 3 months after training

there were 21.7％ soldiers with SAS score higher than 50

and 6.4％ soldiers  higher than 60

but the scores were 11.6% and 4.2% respectively 2 months before field training; There were 45.7% soldiers with SDS score higher than 50 and 19.2% higher than 60 at 3 months after training

and only 25.3% and 11.6% at 2 months before training. Score of stressful psycho-behavior was (24.1±6.1) in 3 months after training

significantly higher than that of 2 months before training (18.3±4.7

P0.01). ②Scores of stressful psycho-behavior and emotion were lower than those at 3 months after training

but significantly higher than those at 2 months before training (P0.05 or 0.01). ③ Soldiers being only child of his family

having shorter army years

lacking experience of field training

not accepting mental health tutorship and psychological training

have more emotion disorder and higher psychological stress reaction.     Conclusion    Field training stress has notable bad effect on emotion and psycho-behavior. Paying attention to mental health education and tutorship is necessary in the usual time and field training.