A descriptive epidemiological study among 478 workers with the objective as "To describe knowledge and the pratice of workers on workplace accident prevention at 10 mechanical enterprises at Xuantien Commune, Xuantruong district, Namdinh province". The results showed that the proportion of working accident was 19.9 percent . Workers suffered awkward posture from 18.2 percent to 20.1 percent at fitting and cuting workplaces. Majority of workers indicated that safety electricity and proper arranging of equipment at workplaces would reduce workplace accident (from 70.5 percent to 89.7 percent , respectively). Personal protective equipment were used gloves (54.4 percent), other as shoes, hat, glass, mask and clothing from 24.0 percent to 49.6 percent , respectively.