The invention provides a dried milk cake and a making method thereof. The making method of the dried milk cake comprises the following steps that raw material milk is degreased to be made into low-fat milk; the low-fat milk is sterilized firstly, then a leavening agent is added for fermentation, and fermented milk is made; fermentation is finished till the pH is equal to 4.8 to 5.4, the fermented milk is heated to obtain a floating clot, the dried milk cake is made after the clot is processed, and the leavening agent is a raw material milk natural fermentation product. The dried milk cake is made through the method, and is a low-fat milk product which is slightly sour and strong in milk fragrance. Compared with the prior art, according to the making method of the dried milk cake, the production process is simplified, the processing time is shortened, the product quality is stabilized, and the specific quality and flavor of a dried milk cake processed through a traditional production process are kept.