The invention discloses a method for processing lichen anchovy. The method comprises the following steps: S1, crushing fresh lichen to prepare lichen powder for later use, and preparing suncured anchovy from anchovy for later use; S2, putting the suncured anchovy and the lichen powder in the S1 in an oil pot for oil treatment to prepare a lichen anchovy primary product; S3, adding seasonings, such as salt, monosodium glutamate and white granulated sugar into the lichen anchovy primary product in the S2 to prepare a lichen anchovy concoction; S4, putting the lichen anchovy concoction in the S3 into an oven, and baking for 30 minutes to obtain a lichen anchovy semi-finished product; S5, cooling the lichen anchovy semi-finished product, weighing, packaging in cans in vacuum, sterilizing and disinfecting to obtain the lichen anchovy finished product. According to the lichen anchovy prepared by the method, the lichen and the anchovy are used as raw materials and assisted by multiple seasonings, so that green plant algae and seafood anchovy can be organically combined to form a nutritional and delicious flavored leisure food.