It is conclusion that we studied 522 elementary girl students about physical growth and fitness development . Their ages is from 9 to 12 1. Characteristivs of physical form The rapidity of physical growth is higher around 12 years old. It seems that they grow more rapidly by one year than they did ten years ago. The volume has heveloped after 9 years old . The girth and diameter is fast around 11 years old. There is some difference in each age. Besides as students grow all of the varies is getting increased. 2. Fitness Development The fitness has many differences in grip strength bend twist and touch grass drill sit and reach 50m dach sit - ups standing long jump and endurance run. It seems that the students has developed the fitness of strength, power, muscular endurance and speed as they are getting ole.