Abstract:Scomber japonicus hydrolyzed protein was extractedand conducted a nutritional value analysis. Follow research，hydrolyzed protein sport drink was prepared and conducted a functional analysis. By automatic amino acid analyzer ，Scomber japonicus hydrolyzed protein was proved rich in amino acids，and had rich nutritional value that better than the WHO/FAO recommendations. By carefully formulated ，Scomber japonicus hydrolyzed protein drinks were composite demand on the color， smell and taste. On means of questionnaires and body indexes research，after taking Scomber japonicus hydrolyzed protein drink 60 days，surveys and research indicators in observation group were better than the control group （P<0.05）， to prove Scomber japonicas hydrolyzed protein was capable of promoting recovery after exercise.