Running and wrestling in a 2.5 year old child may be normal or abnormal, abnormalities such as calcium deficiency, sensory disorder, etc.. 2.5 year old children are still in early childhood, the development of the nervous system is not yet perfect, easy to appear the phenomenon of poor balance, generally as the child grows up balance will gradually increase. If there is a lack of calcium, there may be abnormal bone development, easy to run and fall, etc., should be calcium supplements, such as taking calcium gluconate oral solution, at the same time can take vitamin D drops, etc.. In addition, if there is a sensory disorder, there will be physical incoordination, poor balance, etc., and need to be trained accordingly. If there is a child often fall, should go to the hospital in time for examination, the use of the above drugs should follow the doctor’s instructions.