The invention discloses a method for establishing a fingerprint spectrum of a Korean drug obovateleaf ainsliaea herb. The method comprises the following steps: taking schaftoside, orientoside and vitexin as reference substances, adding methanol for dissolving, fixing the volume, and taking the solution as a reference solution; taking the obovateleaf ainsliaea herb, extracting with an ethanol solution, fixing the volume, and taking the solution as a test solution; and performing high-performance liquid chromatographic separation assay, taking an acetic acid solution with a volume fraction of 0.4% as a phase A, taking an acetonitrile solution with a volume fraction of 100% as a phase B, forming a mobile phase, performing gradient elute, and calibrating fingerprint features through relative retention time and relative peak area, thereby obtaining the fingerprint spectrum. The invention further discloses a fingerprint spectrum obtained by the method for establishing the fingerprint spectrum of the Korean drug obovateleaf ainsliaea herb.