In this disseration,sweet potato,chosen as the raw material,were puffed byvariable temperature and pressure explosion puffing technology. Processparameters and conditions were studied,and the evaluation method of sweet potatocrispy chips'quality.Through the study of sweet potato protective coloration,thepretreatment method,preliminary drying method,and the key factors of influencingexplosion puffing process to find the optimal process parameters and stability themethod of evaluation sweet potato crispy chip...