Firstly,let’s see the hazards of sub-health. 1. Sub-health is a warning of the majority of chronic non-communicable diseases,and most cancers, cardiovascular diseases and diabetes are transferred from health groups. 2.Sub-health can affect the effectiveness of the work and life,also the quality of learning,even endanger the lives and safety of special personnel such as aircraft,athlete etc. 3.Psychological sub-health can easily lead to psychological disorders, and even cause suicide and domestic injury. 4.Serious sub-health can significantly affect the healthy life, and even cause premature death,disease and maimed.