The invention provides a preparation method of stomachic pill with cyperus and amomum, including following steps: banksian rose, amomum fruit, astraolylis lancea formalyrata, dried old orange peel, tuckahoe, pinellia(processed), autgrass galingale rhizome(processed with vinegar), fruit of immature citron(sauted), round cardamom(decladded), bark of official magnolia( baked with ginger),patchouli and liquorice are respectively pulverized and mixed at first, then through the steps such as adding adhesive, granulating, drying, finishing granule, pelleting and lagging cover orderly, the product can be obtained; the adhesive is decoction solution of ginger and jujube. The preparation method has the advantages of simple technology and convenient operation, moreover, the finished product has steady quality, and compared with the former stomachic pill with cyperus and amomum, the stomachic pill with cyperus and amomum can shorten dissolving time by over 70 to 90 percent, thereby the medicine can be absorbed faster, and the contents of magnolol and honokiol are higher, thus solving the problem of nonuniform size of the pellet prepared by the water-pill method, and the dosage of the medicine can be more exact; at the same time, the invention also increases rate of finished products at one time.