Abstract:Using black fruit wolfberry as main raw material，citric acid as stabilizer，salt and xylitol as auxiliary materials，the functional drink of black fruit wolfberry was developed to optimize the technological parameters.The results showed that：the optimum technological ratio parameters of black fruit wolfberry beverage were as follows，the content of black fruit wolfberry was 1%，the content of salt was 0.2%，the content of citric acid was 0.1%，and the content of xylitol was 6%.Under these conditions，the beverage had beautiful color and rich nutrition.Through the index analysis and stability experiment，it was concluded that the quality standard of beverage could reach the national standard of relevant beverage，the shelf life could reach 12 months，and the stability was good，which provided a reference value for the further use of black fruit wolfberry.