The invention relates to a sauce for a fermented meat product and a production method thereof. The sauce comprises 80% of main ingredient, 6% of seasoning, 0.5% of aroma yeast, 0.5% of refined yeast, 2% of sesame oil, 3% of water and 8% of saline water. The sauce for the fermented meat product is obtained through selection and soaking, material mixing, stewing, quick cooling, starter making, stirring, spreading on a disc, fermentation, exposing to the sun, secondary stirring, secondary exposing to the sun, grinding, sterilizing, checking, cooling, packaging and storage. When the sauce prepared with the production process is used in the fermented meat product, the fermented meat product tastes better and can be stored for a long time. The production process is simple and easy to implement, and wide popularization is facilitated.