The aim of this research is the study effect of combination of parallel endurance and strengthtraining on aerobic and anaerobic power and maximal strength of trained adolescent maletaekwondo players. Methodology: To achieve to aim of study; 50 taekwondo players wereconsidered as subjects. Then thay distribute to 5 groups (strength; endurance; strengthendurance;endurance-strength and control). Than take a primary test and all groups pay to theirtraining programs for 8 weeks. In end of training a take final test. For analyze gathering datawas used from SPSS software.Results: Results demonstrate there is meaningful difference inaerobic power; maximum anaerobic; relative maximal strength of lower and upper extremitiesof players after 8 weeks training. Conclusion: Implementation of combined endurance andstrength exercises that recently considered to title of a new training method integrate attentionof many of sport researchers has high efficiency and considered to effective training method inimprove and develop aerobic and anaerobic power and maximal strength.