43.05kg 1 Figure: standard weight 1.00- 1.99m ... Figure 2: Reasonable and accurate classification from the fattest standard to the thinnest standard. Figure 3-6: It is convenient to check whether you are fat or thin, and you are too lazy to calculate the logarithm. Figure 7-8: Comparison with the commonly used local approximate straight line formula Figure 9: The body mass index is not as good as the first two straight lines locally, but it is better than the straight line as a whole, but it is not available. The weight series tells you the degree of obesity just like the earthquake series. The greater the absolute value, the greater the harm. Weight scores tell you the degree of obesity just like test scores. The higher the score, the closer to the standard.