This paper describes toe working conditions fishermen fishing offshore in Van Don district, Quang Ninh province. Research results show that there are many disadvantages to health: high noise exceeding the permissible standards (100 percent of the survey vessels), microclimate hot (50 percent samples), low humidity (25 percent samples), less wind (100 percent samples)
less light intensity in hatches (100 samples)
50 percent sample vibration acceleration not met hygiene standards allow. Long working time at sea (15.9 +/- 5.3 days/trip), with 80 percent of workers at night. Labor protection is not fully secured, less use of labor protection clothing, special glass (0.3 percent), mask (7 percent). Lack of recreational facilities, water and fresh food. Fishermen have many habits affect health.