The present invention discloses a pickled compound fermented flavored meat product and a processing method thereof. The compound fermented flavored meat product is prepared from pickling vegetables as an accessory raw material, low-salt and low-nitrite pickled meat blocks are stewed using bone soup, the stewed meat blocks are oil-fried using an oil and water mixture, an artificially intensified inoculation compound fermentation technology is used, the pickled vegetables and meat blocks are subjected to the mixed packaging fermentation, and then after a storage treatment, the meat product is subjected to a matched vacuum packaging at a certain ratio, and the packaged meat product is subjected to an atmospheric pressure heat sterilization to prepare the finished products. The method shortens the production cycle of the fermented meat product and the produced fermented meat product is high in safety, good in flavor, long in shelf life and easy for consumption.