In the paper,the fresh,withered,rocked and fermented leaf fixed by microwave and steam were studied.The results showed that the content of polyphenols of microwave samples was higher than those of steam samples;and the content of amino acids in steam samples was higher than those of microwave samples.There was a slight higher content of soluble sugars in microwave samples compared with steam samples. The content of chlorophyll of microwave samples was higher than steaming samples,and there was a small diffe...