Study of regional distribution of the SBP reference value of the urban Adolescent boys in China

With the change of global climate and ecological environment, more and more people become more concerned about the relationship between the SBP reference value and the environment. This paper discussed the relationship between the SBP reference value of the health Adolescent boys and the geographical factors in china. There are different SBP reference value in different areas of china, and we chose different geographical factors when we chose the reference value. We often use only one standard reference value without care about the geographical difference, and this can not suit the whole china with very different geographical condition. So this paper discussed the relationship between the geographical factors and the SBP reference value of different area with different geographical conditions, the author gave the scientific foundation of making the SBP reference value though the study. Through the analysis, we found that there are significant relationship between the geographical factors and adolescent boys SBP reference value; And we also get the thematic map of the distribution of the SBP reference value of different area of china. By using GIS software, we got the regional distribution thematic map of adolescent boys SBP reference value in china, and we can read the normal reference value clearly through the map.