The invention relates to a method for treating a low-temperature premade meat product. The method comprises the following steps of preparation of a pickling liquid, ultrasonic pre-pickling, vacuum rolling and kneading pickling, curing and packaging, and finally the finished premade meat product is obtained. The meat product is prepared from, by weight, 2% of table salt, 0.02% of ascorbic acid, 0.15% of xylitol, 0.05% of sorbitol and 1% of spices; the ingredients are poured into a cooking pot for cooking to obtain the pickling liquid, the prepared pickling liquid is utilized for conducting ultrasonic pickling and vacuum rolling and kneading pickling on the meat product, then low-temperature curing is conducted, the safety problem caused by harmless matter and undercooked products generateddue to excessive baking can be effectively solved, and xylitol added in the pickling process can have a good water retention effect on moisture of the premade meat product.