The invention discloses a medicinal preparation for treating chronic cervicitis. The medicinal preparation comprises the following raw medicinal materials: 20-30g of honeysuckle, 20-30g of salvia miltiorrhiza, 20-30g of arnebia euchroma, 15-25g of cistanche, 15-25g of scutellaria baicalensis, 15-25g of scutellaria baicalensis, 15-25g of radix polygonati officinalis, 10-20g of lycopodium clavatum, 10-20g of raw liquorice, 10-20g of dodder, 5-15g of dried tangerine peel, 5-15g of polygonum viviparum, 5-10g of oldenlandia diffusa, and 5-10g of Chinese yam. A preparation method of the medicinal preparation comprises the following steps: mixing the raw medicinal materials, decocting, and filtering to obtain filtrate; adding water into decoction dregs, decocting, and filtering to obtain filtrate; combining the two filtrates, conventionally concentrating in reduced pressure and drying to obtain fine powder; and preparing tablets or capsules. When the medicinal preparation is used in treatment, the medicinal preparation is taken orally twice a day, in the morning and evening, and about 5g each time. Years of clinical application proves that the total effective rate of the medicinal preparation is over 90 percent, the curative effect is good, and the medicinal preparation does not have toxic or side effect.