In this research there are presented facts about the action of physical effort on cardiopulmonary parameters of young taekwondo sportsmen. The heart rate as well as blood pressure in resting state of the young people that do not practice sports can show higher values. However the sportsmen’s vital capacity of the lungs are showing considerably better values. After doing a physical effort, the sportsmen may have high cardiopulmonary parameters, but not as coniderable as unsportsmenlike’s. This proves that sportsmen’s vital capacity of the lungs point out higher values, thing that is considerably better comparing to the people that do not practice sports.