The invention discloses a preparation method of a traditional Chinese medicine for treating pharyngalgia type reflux esophagitis and belongs to the technical field of the preparation method of the traditional Chinese medicine. The existing medicine for treating the pharyngalgia type reflux esophagitis is primarily ranitidine with contraindications for the people which are allergic to the medicine and other H2 receptors, pregnant women and breast feeding women. The technical scheme of the invention is as follows: the preparation method comprises the following steps of: putting and soaking 26 traditional Chinese medicines consisting of umbellate rockjasmine herb or fruit, orpine, fruticose breynia juvenile branchlet and leaf, hastate phymatopsis herb with root, blackberry lily, puffball (cloth bag), chinese lantern-plant, subprostrate sophora, Chinese white olive, manyleaf paris rhizome, diversecolor cinquefoil, radix berberidis, sticktight, Japanese cayratia herb, tuopangen, radix stellariae dichotomae, wood sorrel, ceanothus, villosulous veronicastrum herb or root, daghestan sweetclover herb, coffee senna, common alstonia bark or leaf, lophatherum gracile, mung bean, chrysanthemum and liquorice in water, decocting with slow fire, and filtering to remove the slag for co-decocting liquid medicine, wherein the decocted liquid medicine is the traditional Chinese medicine for treating the pharyngalgia type reflux esophagitis. The preparation method has the advantages that the prepared traditional Chinese liquid medicine is small in side effect, short in treatment course, high in recovery rate and capable of avoiding adverse reactions caused by antibacterial agents of Western medicine.