The invention provides a cocoa stick chewing tobacco and a preparation method thereof, and the cocoa stick chewing tobacco comprises an internal layer and an external layer wrapping the external part of the internal layer, wherein, the internal layer ingredients comprise, by weight, 30-70 parts of cake flour, 1-3 parts of butter, 5-15 parts of sugar, 3-8 parts of milk powder, 5-15 parts of tobacco powder, 5-15 parts of cocoa powder, 0.01-0.03 part of enzyme, 0.1-0.5 part of flavoring agent, and 0.1-0.6 part of sodium bicarbonate; the external layer ingredients comprise, by weight, 5-20 parts of cocoa tobacco liquid block, 20-40 parts of cocoa butter, 10-30 parts of milk powder, 25-45 parts of sugar, 1-5 parts of maltodextrin, 0.2-0.6 part of emulsifier, and 0.1-0.3 part of flavoring agent. The cocoa stick chewing tobacco has a tobacco flavor, and has a strong cocoa fragrance; the tobacco tastes soft and not too sweet; the throat won't be stimulated by spicy; the tobacco can be chewed like a crispy biscuit; the defects like high stimulation, heavy bitterness and strong pungency caused by directing using smoke powder are overcome.