The invention relates to a Chinese medicinal oral liquid for treating gynecological inflammation and a preparation method thereof. Eleven Chinese medicinal materials such as ligusticum wallichii, rhizoma cyperi, radix paeoniae rubra, rhizoma atractylodis, angelica, prepared rhizoma corydalis, coix seeds, rhizoma alismatis and the like serve as raw materials; the raw materials and pharmaceuticallyacceptable auxiliary materials are prepared into a preparation of the Chinese medicinal oral liquid. The Chinese medicinal preparation has simple and feasible preparation process, is safe and effective, and has obvious pharmaceutical effects, better mouthfeel and a good development prospect.