In order to make clear of the correlation between sensory index and texture properties of sweet potato and soybean meal nutritional puffed food, the quality and structure determination of elastic (X0, cohesion (X2), viscous (X3), chewiness (X4), resilience 0(5) and hardness (X6), and the sensory index of food sensory evaluation index (Y1), organization and form (Y2), sensory chewiness (Y3), color and comprehensive score (Y4), comprehensive score (Ys) were analyzed, and the correlations were analyzed. Prediction model was es...