The invention discloses Chinese yam, Chinese wolfberry fruit and banana yoghourt. The Chinese yam, Chinese wolfberry fruit and banana yoghourt is prepared from the following raw materials of fresh milk, Chinese yams, Chinese wolfberry fruits, bananas, cane sugar and water and is prepared through the steps of preparing Chinese wolfberry fruit juice and Chinese yam pulp, performing sterilization, performing blending, performing inoculating and fermentation and the like. According to the Chinese yam, Chinese wolfberry fruit and banana yoghourt, the collation proportion of the fresh milk, the Chinese yams, the Chinese wolfberry fruits and the bananas is moderate, and the Chinese yam, Chinese wolfberry fruit and banana yoghourt is rich in milk taste, and fine and smooth in mouth feel. Through an appropriate proportion, the functional value of the Chinese yams, the Chinese wolfberry fruits and the bananas can be sufficiently used. The prepared yoghourt is reasonable and comprehensive in nutritional supplement, the nutrient and health-care value is high, and the Chinese yam, Chinese wolfberry fruit and banana yoghourt is beneficial for health of bodies after being drunk for a long term, and can improve the immunity of human bodies.