Abstract: Objective To study the quality of life(QOL)and its influencing factors among navy coast servicemen.Methods To tally 320 navy coast servicemen were a ssessed with WHO Quality of Life-BREF and self made general condition questionnaire.Results The QOL scores of physiological,psychological,social,and environmental in the navy coast servicemen were 69.43±13.11,66.26±14.92,64.08±17.15,and 48.97±15.66,respectively.Compared with those of armed police forces,the physiological score was higher and the environmental score was significantly lower(P<0.001).The social score of compulsory servicemen was significantly higher than that of the officer and the environmental score was highest in compulsory service maen and lowest in the officers.The QOL self-assessed scores of compulsory servicemen and sergeants were all higher than that of the off icer(P<0.001).Regression analysis showed that the relation with leader and peer,wage satisfaction,professional satisfaction,environment adaption,workplace satisfaction,and age were the influencing factors of QOL.Conclusion The environmental status of navy coast servicemen should to be improved.Promoting in terpersonal relationship,enhance the satisfaction of workplace,professional and wage and the adaptation to the environment could miprove the quality of life among navy coast servicemen.