Abstract: The research object in this paper is outdoor manual workers. Based on the definition of this special group of population and large quantity of literature, the paper evaluates and analyzes outdoor manual workers’ health condition. It further elaborates this population’s risk of suffering from sub-health condition and its harms. Exercise intervention countermeasures are suggested according to the characteristics of their work so as to provide theoretical evidence for their future effective and scientific fitness undertakings, physical monitoring and sub-health researches.

Key words: outdoor manual workers, sub-health, exercise intervention, countermeasure research