PURPOSE: A composition containing ginsenoside which is a pharmacologically active ingredient of ginseng is provided to suppress accumulation of fatigue substances in blood. CONSTITUTION: A composition for enhancing exercise ability contains ginseng-derived ginsenoside Rg3 and Rg2 as an active ingredient. The composition further contains one or more kinds of ginsenoside Rb1, Rb2, Rh1, and Rd, as active ingredient. A method for manufacturing the composition comprises: a step of pulverizing black ginseng; a step of swelling and sterilizing the pulverized black ginseng; a step of cooling the black ginseng and adjusting acidity; and a step of treating the black ginseng with an enzyme. The enzyme is pectinase, hemicellulase, or alpha-amylase .본 발명은 인삼의 약리활성 유효성분인 진세노사이드를 활성성분으로 함유하는 운동능력증진 또는 피로회복 증진용 조성물에 관한 것으로서, 좀더 자세히는 열처리 가공삼을 효소처리하여 얻어지는 진세노사이드 Rg3 및 Rg2를 유효성분으로 포함하는 조성물에 관한 것으로서, 이 조성물은 운동수행시간을 증진시키며 혈중 피로물질의 축적 억제작용이 우수하다.