A pharmaceutical composition for treating post gynecologic operation low fever comprises the following raw material drugs: turtle shell, dahurian patrinia herb, rhizoma cimicifugae, momordica grosvenori, caulis spatholobi, artemisia apiacea, fritillaria, Paris polyphylla, common andrographis herb, radix pueraiae, liquorice, radix paeoniae alba, common cephalanoplos herb, portulaca oleracea, honeysuckle, hawthorn, motherwort, cassia twig, radix sophorae flavescentis, angelica sinensis, immature bitter orange, oldenlandia diffusa, Chinese yam, calcined oyster shell, large-leaved gentian, smoked plum, schisandra chinensis, ligusticum wallichii, mangnolia officinalis and Chinese dates. The raw material drug are combined for use, the medication is appropriate, the compatibility is simple, a distinction is made between the primary thing and secondary thing, both symptoms and root causes can be treated, the post gynecologic operation low fever can be effectively treated, the rehabilitation time of patients can be greatly shortened, the physical quality and living quality of patients can be improved and optimized, and an excellent treatment effect is achieved in clinical tests.