my daughter is eight years old she is tired , every time complaint about leg pain

A. Hai good evening !! Check if baby growth is fine according to age . Any calcium,Vitamin D,B12 deficiency cause leg pains. Include nuts ,seeds,egg,dals(pulses,legumes) curd,paneer,ragi,seseme seeds,pea nuts in regular diet ,do leg,feet massage with coconut oil before sleep. Consult Doctor if baby still having pains.