Microbes could not be found in apple puree after being conducted with 500 MPa combined with 40 ℃~60 ℃.The content of polyphenols(not concluded proanthocyanidins)in puree along with L value of puree after being conducted with 500 MPa combined with 50 ℃ or 60 ℃ increased significantly and the color of puree was improved.The turbidity,SS and pH value of puree did not change remarkably(P>0.05),but the content of reduced VC lost more compared with puree only pressured.