The invention provides a high fiber chocolate biscuit and a processing method. The high fiber chocolate biscuit is prepared from, by weight, 90-100 parts of flour, 16-22 parts of chocolate liquor, 22-26 parts of palm butter, 34-36 parts of eggs, 12-16.4 parts of butter, 18-20 parts of white granulated sugar, 33.5-44 parts of milk powder, 6-8 parts of salt and 2.2-2.8 parts of baking powder; the high fiber chocolate biscuit takes the chocolate liquor as a constituent of chocolate, two ways of mixing and applying at the outer side are used for expression, so that the mouth feel is improved whilethe flavor of the biscuit is ensured, and the crisp, fragrant and pleasant taste is ensured; dried bamboo shoots, dried hill haw, matsutake, hair weeds and other high fiber food materials are added,so that the promotion of gastrointestinal absorption is facilitated, the metabolism level is improved; added Chinese yam, pumpkin and other constituents are mild, nourish the stomach, improve an ability of the biscuit to repair the intestines and stomach, anorexia and other uncomfortable symptoms caused by eating too much biscuits are avoided, the material taking methods are various, the nutritional balance is ensured, and the health level is improved.