The invention provides a preparation method of an external ointment containing evodia rutaecarpa, which comprises the following steps: 1, mixing unground or smashed evodia rutaecarpa with olive oil, heating and extracting to obtain an oil extract; 2, filtering the oil extraction liquid; 3, adding the filtered oil extract liquor into beeswax while the oil extract liquor is hot, and stirring until the beeswax is completely dissolved; and 4, standing and cooling the filtered oil extract and beeswax composition.