Media from the Shenzhen Municipal Health Supervision Bureau, Shenzhen is now the total number of enterprise workers occupational hazards to 281.23 million, about 340,000 workers in Shenzhen, all kinds of occupational hazards of dust, toxic chemicals and noise exposure. Noise deafness, occupational poisoning, incidence of pneumoconiosis in Shenzhen last year, the top three occupational diseases, and the noise deaf at the top. Debris, noise deaf workers punch high risk, according to the Shenzhen Municipal Health Supervision Bureau, the Shenzhen occupational hazards currently 281.23 million the total number of enterprise employees, about 10,000 companies were reporting occupational hazards. In Shenzhen, about 340,000 workers exposed to occupational hazards of dust, toxic chemicals, noise, radioactive substances, and electronics, machinery, hardware, printing, plastic toys and jewelry industry in Shenzhen to become major occupational hazard industries. The noise deaf, occupational poisoning, incidence of pneumoconiosis in Shenzhen last year, the top three occupational diseases. Wherein the noise deaf ranked first. Shenzhen Occupational Disease Prevention Hospital ENT experts, workers, scrap, punching, grinding and other types of noise are at high risk of occupational hearing loss, they often work in more than 85 decibels of noise environment in the production, some machine noise but it will reach nearly 100 decibels, prolonged exposure will damage the cochlea hair cells, causing permanent hearing damage. As a statutory occupational noise deaf currently no effective treatment, rely on prevention. And due to noise-induced occupational damage is a gradual process that takes some time to accumulate, people in the past paid insufficient attention to the harm, which is one weak link in the control and supervision of occupational diseases. According to reports, although many factories distributing ear protectors to workers, but because some workers are not used, or to communicate with workers inconvenient, often do not wear; also has factories often not timely replacement of the damaged ear protectors off, which for the hearing are " suicide. " What kind of business should be to provide occupational health protection and management obligations for employees? Shenzhen Health Supervision Bureau, responsible person, employer organizations must adopt effective occupational protective equipment, and provide laborers for personal use of occupational protective equipment, should be informed technology, technology, equipment, occupational hazards resulting material employed workers, "There are occupational hazards of technologies, processes, equipment, materials and used to conceal the harm of occupational diseases caused by harmful consequences of responsibility."