of protecting cognition of occupational exposure. Occupational protection training should be pay more attention to nurses who in lower-grade hospital, lower academic qua lification, lower profession title, lower working age, and the ones who are not on the pay check. 2. Nurses were the high risk grou p in needle stick injury and body fluid exposure, so we should teach a nd urge them to change their wrong patterned behaviors and then to form a good operational habit. 3. Security regulatory regime of occupation should be established and perfected. Meanwhile ,preparation for first aid of nurses’occupational exposure and psychological direction should be make sure. KEY WORDS :Nursing staff , occupational exposure , professional protection , needle stick injury , anxiety