The invention discloses a Chinese herbal medicine preparation with the effects of tonifying spleens and eliminating dampness and a preparation method of the Chinese herbal medicine preparation, belonging to the technical field of processing of tablet additives with the effects of tonifying spleens and eliminating dampness. The Chinese herbal medicine preparation comprises the following raw materials: Chinese yams, radix pseudostellariae, lotus seeds, semen euryales, tuckahoe, orange peel, rhizoma atractylodis macrocephalae, radix codonopsis, mint, rhizoma atractylodis, liquorice, leonurus, herba artemisiae scopariae, capsella bursa-pastoris and scutellaria baicalensis. The Chinese herbal medicine preparation is prepared through the steps of preparing powder; extracting; and granulating. The effects of various Chinese herbal medicines are integrated, so that the Chinese herbal medicine preparation can take the effects of tonifying deficiency and strengthening spleens, cooling blood and stopping bleeding, clearing away heat and promoting urination and the like; and the Chinese herbal medicine preparation disclosed by the invention is capable of effectively tonifying spleens and eliminating dampness and is an efficient, safe and natural additive for a tablet with the effects of tonifying spleens and eliminating dampness.