The invention discloses a production method of tobacco areca nuts. The method mainly comprises the following steps of selecting fresh areca nuts, washing the selected fresh areca nuts, buffing the washed fresh areca nuts, soaking the buffed fresh areca nuts in calcium hydroxide, cooking the soaked areca nuts, smoking the cooked areca nuts, performing microwave puffing, performing fermentation, performing braising to generate fragrance, performing cutting to obtain slices and removing cores, performing packaging, performing microwave sterilization and the like. Through the adoption of the production method of tobacco areca nuts disclosed by the invention, the content of arecoline and the content of arecaidine in the tobacco areca nuts can be significantly reduced, so that the increased risk that eaters suffer from oral cancer can be reduced, and the tobacco areca nuts are safe to eat; and besides, the prepared tobacco areca nuts are high in puffing efficiency, fluffy, obvious in texture layering, soft in mouth feel, good in flexibility, good in mouth feel and stable in properties. The tobacco areca nuts not only reserve traditional characteristics of being fragrant, sweet and strong, but also have the characteristics of being delicately fragrant in fruity taste, fragrant rather than greasy, unique in mouth feel and flavor.