The invention discloses pig blood and liver blood-replenishing sauce which belongs to the technical field of foods and is mainly made from pig blood, pig liver, pepper, aniseed, ginger, dried red pepper, salt, monosodium glutamate, dried salted and fermented soya paste, sesame, peanut, garlic, peanut oil and sugar as raw materials according to the following steps of (1, slicing pig blood, blanching with boiled water and drying, cleaning and cooking the pig liver for later use; 2, adding the pepper, the aniseed, the ginger, the dried red pepper, the dried salted and fermented soya paste, the sesame, the peanut and the garlic in a product obtained in the step 1 for mixing, then grinding by using a meat grinder into a mud material for later use; and 3, boiling the peanut oil, pouring the mud material in the step 2 into a pot, adding a proper amount of pure water, repeatedly drying, stewing with slow fire for 3-5min, stopping fire and adding the salt, the sugar and the monosodium glutamate, uniformly stirring, and loading in a bottle for making the pig blood and liver blood-replenishing sauce.