In order to discriminate varieties and completed years of Chinese rice wine， H2SO4-（NH4）4Ce（SO4）4-CH2（COOH）2-KBrO chemical oscillation system was used to get the electrochemical fingerprint of Chinese rice wine by recording the electrochemical potential of oscillation system over time. The determining conditions were investigate in terms of temperature， stirring rate， hydrogen ion concentration， （NH4）4Ce（SO4）4 concentration， CH2（COOH）2 concentration， KBrO3 and Chinese rice wine amount etc. The optimum determining conditions were established with total volume of 100 mL， temperature of 39 ℃， stirring rate of 650 r/min， hydrogen ion concentration of 1.800 mol/L，（NH4）4Ce（SO4）4 concentration of 0.006000 mol/L， CH2（COOH）2 concentration of 0.08000 mol/L， KBrO3 of 1.116 g， Chinese rice wine of 1.40 mL. The results indicated that the electrochemical fingerprints of Chinese rice wine from different varieties and different completed years show significantly different characteristics， and can be used to identify the varieties and completed years of Chinese rice wine. The system similarity of the fingerprints of the same variety of Chinese rice wine was bigger than 97.59%， and the system similarity of the fingerprints of the different varieties of Chinese rice wine was less than or equal to 97.59%.