The invention relates to a preparation method of an emulational maigre ham sausage. Main components comprise soybean protein isolate, soybean oil, textured soybean protein and water, and the emulational maigre ham sausage is prepared by the steps of stirring maigre meat, stirring proportioned components, filling the materials to form the sausage and performing cooking sterilization; the step of forming different shapes of emulational maigre food according to different shapes of moulds; in the prepared emulational maigre ham sausage, isoflavone, which the soybean protein contains, can promote fat decomposition and reduce cholesterol, and has special functions of promoting bone calcification, inhibiting the proliferation ability of breast cancer cells, achieving high anti-oxidant activity and protecting vascular endothelial cells; and the emulational maigre ham sausage has high chewiness, compact internal tissue connection, rich flavor, and plump and lifelike appearance, and has the shape characteristic of a meat product ham sausage.