A production method of edible biodegradable tableware uses a powder mixture to manufacture an edible biodegradable product by a manufacturing process, and the powder mixture includes a dry powder and a maltose, and the maltose is prepared according to the total weight of the dry powder in a ratio of 1:10˜100, and the production method has the effects of improving product stability, simplifying production process, increasing yield and efficiency, avoiding pollutions during production, and decomposing the used product in various environments.