The invention discloses a traditional Chinese medicine for treating pantalgia after childbirth caused by exogenous pathogen and a preparation method thereof. The traditional Chinese medicine comprises the following raw herbal materials: schizonepeta, notopterygium root, Chinese parsnip root, radix angelicae, radices ligustici sinensis, fistular onion stalk, tamarix chinensis, lycopodium clavatum, berba aristolochiae mollissimae, caulis sinomenii, morinda officinalis, fructus liquidambaris, Chinese starjasmine stem, suberect spatholobus stem, flowers carthami, ligusticum wallichii, rhizoma corydalis, turmeric, cowherb seed, codonopsis pilosula, astragalus membranaceus, Chinese yam, liquorice, rhodiola rosea, short-pedicel aconite root, common fenugreek seed, taxillus chinensis danser, stachys sieboldii, erythrina indica lam, deer-horn glue and chestnut. The traditional Chinese medicine has the beneficial effects that the traditional Chinese medicine has the efficacies of nourishing the blood to expel wind, and dispelling cold and removing dampness, syndrome differentiation and treatment is carried out on the basis of the whole view of organism, natural green medicinal materials are selected, the pharmacological effect is through to a focus of infection, and the traditional Chinese medicine is short in treatment course, good in curative effect, small in toxic and side effects, free of an untoward effect, low in cost, and simple in preparation process, also can play a certain health effect on the organism when the pantalgia after childbirth is treated, and can be clinically popularized to meet the clinical treatment requirements of the pantalgia after childbirth.