A Lentinula edodes has abundant nutritious components such as a fiber, minerals and vitamins. It also was known to effective of anticancer and the immune enhancement. However, studies of mushroom-re1ated products were not still enough. Mushroom jerky was examined by using the under grade Lentinula edodes in this study. Content of stipe was most appropriate 24-30% in slices of dried mushroom. A grinder used 2mm sieve, and graund three or four times. A mushroom and spices were boiled to 30min in order to control the microbe occurrence. A mushroom, water, spices were mixed at ratio of 1 : 4: 1.5 and boiled 10 minutes for sterilization. The optimum drying temperature was 60~70℃ but the edge of slice was burned 80~90℃. Dry time was most appropriate for 4~5 hours.