Fuente: WIPO "dairy products" The invention relates to the technical field of food, in particular to a preparation method of avocado fruity sauce. According to the preparation method of the avocado fruity sauce and the dairy product obtained through the method, in the process of preparing the avocado fruity sauce, the special weight ratio of the avocado puree to the condensed milk to the high-ester pectin in the fruit simulant is maintained; according to the present invention, the avocado fruity sauce can be processed by using a special RF sterilization treatment mode (especially the RF sterilization process with the sterilization intensity equivalent F0 value of 4.0 * 10 -10.0 * 10 ), such that the avocado fruity sauce can be fine and smooth under the acidic condition with the pH value of 3.5-4.5, and the requirement of the fruity sauce on the microbial index can be met so as to finally solve the processing technical problem of the avocado fruity sauce.-3>-3>