The invention relates to a method for in vitro capacitation of rabbit sperms and a nutrient solution formula. In the invention, 10 mum mol/L of EGCG is added in a BO capacitation liquid for sperm in vitro capacitation treatment, and 10 mum mol/L of EGCG is added in the BO capacitation liquid, the formula of the a BO capacitation liquid comprises the following components by weight: 6.5453mg/mL of NaCl, 0.2997mg/mL of KCL, 0.1145mg/mL of NaH2PO4.H2O, 0.1057mg/mL of MgC12.6H2O, 0.330mg/mL of CaCl2.2H2O, 2.518mg/mL of glucose, 4% of 0.2% phenol red, 100IU/mL of penicillin, 100IU/mL of streptomycin, 3.1080mg/mL of NaHCO3, 0.1380mg/mL of sodium pyruvate, 20mum g/mL of heparin and 20mg/mL of BSA. The method for in vitro capacitation of rabbit sperms overcomes the defect of mass oxyradical accumulation generated by sperm metabolism due to large sperm density during a current sperm in vitro capacitation process. The method uses adult New Zealand white male rabbit, different concentration EGCG (0mumM, 10mumM, 15mumM, 20mumM and 25mumM) can be added in the BO capacitation liquid, influence of the BO capacitation liquid to the rabbit sperm capacitation effect is researched so that optimum EGCG addition concentration is obtained, and thereby a rabbit in vitro capacitation culture system with high efficiency is established.