The invention discloses a multifunctional traditional Chinese medicinal composition, mainly used for treating hepatitis, nephritis and gastritis. The multifunctional traditional Chinese medicinal composition consists of crotalaria sessiliflora, garlic, longtube ground ivy herb, colysis hemitoma ching, radix phytolaccae, calculus bovis, turtle shell, tortoise shell, radix paeoniae rubra, cyrtomium rhizome, pericarpium citri reticulatae viride, camponotus japonicus, fruits of Chinese wolfberry, semen cassiae torae, radix bupleuri, radix angelicae sinensis, radix paeoniae alba, radix salviae miltiorrhizae, radix curcumae, radix codonopsis, rhizoma alismatis, rhizoma polygonati, radix rehmanniae, radix scutellariae, glossy privet fruits, rhizoma dioscoreae, fruits of Chinese magnoliavine, seaweeds, roots of foldleaf daylily, medicated leaven, fructus crataegi, spreading hedyotis herb, liquorice root and radix gentianae macrophyllae. According to a preparation method, the multifunctional traditional Chinese medicinal composition is taken in the form of a decoction. The traditional Chinese medicinal composition disclosed by the invention, as a natural pure traditional Chinese medicinal preparation, is low in cost and good in curative effect on treating gastritis, and the composition is capable of soothing liver and regulating qi, clearing away heat and toxic materials, clearing damp, promoting diuresis and tonifying kidney; in addition, the composition can relieve adverse reactions and side effects caused by intestine and stomach stimulation; and the composition, which is in the form of the decoction, is easily absorbed by human body; therefore, the composition is rapid to take effects.