Stamina-improving composition and stamina-improving natural tea comprising same

A composition for the improvement of sperm vitality or sperm concentration, comprising a) a mixture of the extract of the whole herb of Orostachys japonicus and the extract of the roots of Vigna vexillata var tsusimensis Matsumura which is included as a first raw material ingredient, and b) at least one extract selected from the extract of the roots of Saposhnikoviae divaricata Schiskin and the extract of the roots, fruits, or leaves of Lonicera caerulea L var edulis which is included as a second raw material ingredient,

• wherein the first raw material ingredient and the second raw material ingredient are in a weight ratio of first raw material:second raw material of 10 to 90 wt %:
• 90 to 10 wt %.