The invention discloses a Chinese medicinal preparation for treating allergic rhinitis, 
allergic asthma and urticaria and a preparation method thereof. The Chinese medicinal preparation comprises the following main 
raw material medicaments in part by weight: 4 to 36 parts of 
bupleurum, 5 to 30 parts of root of red-rooted 
salvia, 4 to 28 parts of paniculate swallowwort root, 4 to 28 parts of 
cicada slough, 6 to 32 parts of dry 
rehmannia root and 4 to 28 parts of 
ligusticum sinense oliver. The preparation method comprises the following steps of: 1, cleaning the medicinal materials with water; 2, 
drying the medicinal materials, crushing into medicinal 
powder of 100 to 200 meshes, uniformly mixing, soaking, decocting twice, filtering out, and mixing to obtain an active extract; when filtrate becomes thick paste with the concentration density of between 1.30 and 1.35, 
drying, and crushing into medicinal 
powder of 100 to 200 meshes to obtain 
powder; and 3, adding auxiliary materials, and preparing into capsules, tablets and the like. The Chinese medicinal preparation has the effects of resisting 
inflammation, resisting 
allergy and improving 
microcirculation, improves allergic body diathesis, improves resisting capability of a 
human body to allergens, and has obvious effects on the allergic rhinitis, the 
allergic asthma and the urticaria, short treatment cycle and low recurrence rate.