The outdoor enterprise is a variety of hobbies such as hiking, camping, mountaineering, cycling, dog walking etc. It is generally acknowledged that outdoor movement benefits people’s physical and physiological bodies. However, some researchers argue that they are not too suitable for Introverted persons. Moreover, poor air quality and safety issues are influenced by human beings. They are related to air allergies and society's treatment. The hazard situations refer to extreme weather conditions, even a minor accident may create a dangerous situation that requires survival skills.On the other hand, with correct precautions, even fairly adventurous outdoor recreation can be enjoyable and safe.