The invention provides drops containing natural plant essential oil for killing sheep ked. The drops are prepared from the following raw materials by weight: 3-6 g of bulbs of fritillaria pallidiflora schrenk, 5-10 g of european grape fruits, 3-6 g of all-grass of Viola kunawarensis Royle Illustr.[Viola thianschanica Maxim.], 2-8 g of radix folium seu flos tripterygii wilfordii, 2-5 g of fructus cnidii, 1-4 g of radix stemonae, 15-20 g of pericarpium zanthoxyli, 5-10 g of all-grass of Gymnopterisbippinnatavar.auriculata(Fr.)Ching, 5-10 g of all-grass of Dickinsia hydrocotyloides Franch, 10-15 g of folium mori, 3-10 g of radix phytolaccae, 8-15 g of resina ferulae, 3-7 g of radix conioselini vaginati, 3-6 g of fomes officinalis, 3-10 g of bodies of Haliplanella luciae(Verrill), 5-10 g of lavender, 5-10 g of cortex cinnamomi, 15-20 g of herba menthae, and 10-15 g of sulphur. For the drops containing natural plant essential oil for killing sheep ked, the oil preparation is adopted, so that storage and carrying are convenient, before use, the drops are diluted, the diluent is sprayed to the surface of sheep, so that the skin of the sheep can adapt to medicines, and meanwhile, pharmacological action can be achieved on the periphery of the head of the sheep.