The invention discloses a premix type cake mix, and belongs to the technical field of food. The premix type cake mix comprises compositions of, by weight part ratio, 100 parts of wheat flour, 65-80 parts of white granulated sugar, 15-25 parts of milk powder, 5-20 custard flour, 5-7 parts of fragrant and sweet baking powder, 4-6 parts of edible corn starch, 1-3 parts of gluconic acid-Delta-lactone, 0.5-1.5 parts of baking soda and 0.05-0.2 part of xanthan gum. The premix type cake mix is a novel convenient food which is manufactured by using modern food processing technology, easy to preserve, long in quality guarantee period and convenient to use, conforms to requirements of people, has great market potential, and can be made into cakes with flavors of an original flavor, a pineapple flavor, a strawberry flavor, a chocolate flavor and the like according to tastes of consumers. According to the premix type cake mix, a traditional cake processing method is broken through. The consumers can easily manufacture delicious, tasty and fresh cakes with different flavors at home, and the cakes are characterized by being simple in manufacturing process, short in manufacturing time and the like.