A large base generally refers to people who are overweight by more than 20 kilograms; Compared with the large base, the small base is almost overweight 10 kg.

Thin: less than 18.5 normal: 18.5-23.9- small base (not fat but pursuing bone feeling)

Obesity: 24 ~ 27.9 Obesity: ≥28 Severe Obesity: 32 or above-big base (really fat but only strong)

Note: This standard is not applicable to:/kloc-athletes under 0/8 years old, pregnant women or nursing, frail or sedentary elderly.

Using the above methods, we can quickly calculate our body mass index, but the proportion of fat and muscle in a person's weight is different. For example, a person who practices fitness will have a body mass index of more than 30 because of his large muscle weight, but his body fat rate is very low, so there is no need to lose weight.