This paper developed the guideline for the safety and health(S&H) file drawn by a client in construction plan stage. According to the announcement of revised Occupational Safety Health Act(February 9, 2018), the construction client should make or manage the three S&H files in the plan, design, and work stages respectively. By analyzing S&H management systems led by the client and surveying the opinion of construction participators, the contents and practical method of the S&H file in the plan stage was proposed. Client should control hazard in construction site through the S&H file. And, it should include important S&H condition dealt with design and work stages as well as selection method of competent designer and contractors with S&H capacity.