Occupational health refers to the potential risks to health and safety for those who work is outside the domicile and aims for the promotion and maintenance of the highest degree of physical phrenic and gregarious well –being of workers in all vocations. The objective of the occupational health is to maintain and promote the physical, phrenic and convivial wellbeing of the workers, to obviate occupational diseases and injuries and it should be preventive rather than curative. The functions of this health are pre-employment medical examination, first avail and emergency accommodation, special periodic medical examination concretely for the workers in hazardous operations. Health edification for disseminating information on concrete hazards and imperils in the work environment, special examination and surveillance of health of women and children, advising the employer for ameliorating working conditions and placement of hazards and supervision over sanitation, hygiene and canteen facilities. The practice fixates on promotion, maintenance and renovation of health, aversion of illness and injury, and bulwark from work?related and environmental hazards. Occupational health nurses (OHNs) aim to amalgamate erudition of health and business to balance safe and salubrious work environments and a "salubrious" bottom line. The occupational hazards are physical, chemical hazards, biological hazards, and mechanical hazards. The diseases due to physical agents like heat like heat stroke, burns, algid ,frost bite, light , miners nystagmus, cataract and pressure, caisson disease, air embolism. Chemical agents like metals, carbon compounds, pesticides and toxic gases. The diseases that are caused by the dust are depending on the chemical composition, particulate size, concentration, shape, categorical gravity and body reaction. Lung diseases caused by dust of organic inchoation by byssinois, mushroom works lung, bird breeder’s lung, man-made fibres, occupational asthma like flour insects and pollens. The medical measures are pre-employment medical check-up, periodic medical examination, health promotion, health edification, concrete auspice, assessment of jeopardy by supervision of working environment. The main preventive measures are macrocosmic precautions, training and inculcation, medicinal surveillance, immunization, stress management and violence obviation program, the supersession of lead with less toxic materials, local exhaust ventilation, personal bulwark, personal hygiene and good housekeeping, periodic examination of workers and health edification and medical management with saline stomach wash it as ingested. The engineering measures are design of building, good housekeeping, general ventilation, supersession, dust, enclosure, isolation, local exhaust, ventilation, protective contrivances, research and environmental monitoring. The main roles and responsibilities of occupational health nurse are aversion of occupational injury and disease, promotion of health and work faculty and amending environmental health management. Women and occupational health are having with the low wages, sexual harassment at work place; women’s jobs have concrete characteristics, omitted from many health- promoting benefits and incremented responsibility on household works. Health quandaries due to industrialization are environmental sanitation quandaries, communicable disease, aliment sanitation, noetic health and accidents and gregarious quandaries. The occupational health nurse is responsible for the employee health promotion and auspice and these programming fixates on the aversion of illness by promotion of health and salubrity utilizing strategies directed towards modifying the comportment of individuals and emboldening them to accept responsibility in matters which affect their health and over which they have control, towards the achieving a salubrious lifestyle.