In this paper,banana and oat were used as raw material.After color protection treatment,the banana was defibrinated and percentage mixed with oat enzymolysis juice,emulsifier,stabilizer and sugar to prepare a delicious and nutritional beverage.Based on the results of single factor and response surface experiments,the best basic recipe was obtained as followes:2.53% banana pulp,85% oat enzymolysis juice,5.5% sugar,stearyl sodium lactate plus sucrose esters(1∶ 1) 1.5‰ as the best emulsifier,carrageenan plus locust bean gum plus xanthan gum(1∶ 1∶ 1)0.3‰ as the best stabilizer.Using this recipe,we prepared a kind of banana and oat enzymolysis beverage with distinctive flavor and good stability.