This research studies the use of palm oil as waste sludge waste in the production process crude palm oil (CPO) using a combination of renewable raw materials to produce believed for oyster mushroom Hungary. The experiment consisted of six treatments, each treatment is mixed with sawdust and the proper proportion. For use as a feed additive for cultivated mushrooms. The rate of overweight and walking fibers is the maximum ratio of 95: 5 by weight and walking infected up to 4.07 grams per day and 1.73 cm respectively, and the ratio of the bone of a hat, flowers most ratios. 80: 20 by the width of the tread cap is 2.31 cm per day.