The invention provides fermented wheat bran dietary fiber chewable tablets, made at least from, by weight, 10-20 parts of mulberry leaf powder, 20-40 parts of fermented wheat bran powder, 5-15 parts of hawthorn fruit powder, and 10-20 parts of mannitol. The invention also provides a production method and application of the fermented wheat bran dietary fiber chewable tablets. The fermented wheat bran dietary fiber chewable tablets are made with mulberry leaf powder, fermented wheat bran powder, hawthorn fruit powder and mannitol; the material origins are natural; the tablets have faint scent and sour and sweet taste; with rich dietary fiber, plant polyphenols, flavones and other active ingredients, particularly wheat branch powder, made by fermenting and capable of increasing the content ofthe active ingredient alkyl resorcinol, the tablets have the health functions, such as lowering glucose, regulating lipid, and losing weight.