The invention provides an avocado cake. The avocado cake is prepared from avocados, glutinous rice flour, coarse rice powder, burdock, hibiscus sabdariffa, lavender, lotus leaves, garcinia cambogia peel, purified water, a sweetening agent, peanut oil and sesame powder. A processing method of the avocado cake comprises the following steps that firstly, avocado pulp is prepared for use; secondly, a nutritional solution is prepared; thirdly, a mixed solution is prepared; fourthly, glutinous rice flour and coarse rice powder are mixed, the avocado pulp, the mixed solution and peanut oil are added into the mixture, stirred and mixed, and then the mixture is put into a mold to be steamed; fifthly, the surface of a steamed cake is rolled with sesame powder, the steamed cake is subjected to vacuum sterilization and packaged, and then the finished product is obtained. According to the avocado cake, the avocado pulp serves as the raw material of the cake, nutritional ingredients such as burdock, coarse rice powder and hibiscus sabdariffa are added, and the avocado cake is crisp, aromatic, delicious and long in aftertaste, has the healthcare effects of promoting appetite, promoting digestion, nourishing the stomach and building the body and the like, and is simple in process, small in investment and capable of taking effect fast, and standardized production is easy to achieve.