The height of a 2-year-old baby girl is 82cm, which is slightly smaller than the standard height, but due to individual growth differences or physical reasons, it is generally normal, but not excluding the phenomenon of developmental delay. The standard height of a 2-year-old girl is between 83.4 and 89.6cm, but children’s height growth is not equal to the speed of increase, the evaluation should be based on individual children’s own changes, not the so-called “normal value” as “standard” evaluation. Therefore, although 82cm is slightly lower than the standard height, but generally belongs to the normal situation. The height of a 2-year-old girl is 82cm, which cannot exclude the possibility of developmental delay. Parents can first observe, pay attention to nutrition, and then if you find that the child’s height development is obviously lagging behind, it is recommended that parents bring their children to the hospital for standardized diagnosis and treatment in a timely manner, so as to avoid delaying the condition.