The invention relates to a medicament for treating early ascites due to cirrhosis. Dangshen, radix astragali, stir-fried rhizoma atractylodis macrocephalae, dried orange peel, pericarpium arecae, Chinese yam, poria, rhizoma sparganii, rhizoma zedoariae, immature bitter orange, Mangnolia officinalis, rhubarb, eucommia, Flos Caryophyllata, costus root, radix curcumae, coptis, Baikal skullcap root, phellodendron bark, oriental wormwood, galingale, brown malt, charred hawthorn, charred medicated leaven, trogopterus dung, rhizoma corydalis, licorice root, Plantain seed, calabash and gardenia are decocted and filtered; and the filtrate is extracted to obtain the decoction. The invention effectively displays the compatibility of traditional Chinese medicines, has the advantages of low cost, convenience for treatment, favorable effect, no toxic or side effect and the like, and can realize early detection and treatment, thereby preventing the state of illness from worsening.