The invention discloses a coconut milk yam sausage for tonifying spleen and benefiting stomach, and a preparation method of the coconut milk yam sausage. The coconut milk yam sausage comprises the following raw materials in parts by weight: 200-300 parts of chicken, 40-80 parts of yam, 20-30 parts of pisum sativum, 10-20 parts of hibiscus sabdariffa powder, 20-30 parts of millet, 10-20 parts of hericium erinaceus, 20-35 parts of coconut milk, 1-2 parts of epimedium herb, 2-3 parts of rose, 3-8 parts of hippophae rhamnoide, 1-2 parts of angelica sinensis, 1-3 parts of abrus herb, 1-2 parts of ginseng flower, 1-2 parts of agrimonia pilosa, 2-3 parts of rhizoma polygonati, 2-3 parts of poria cocos, 2-5 parts of horseradish powder, 10-15 parts of white wine and 8-15 parts of salt. The coconut milk yam sausage tastes sweet and delicious, is tender and chewable, has the healthcare functions of tonifying the spleen and benefiting the stomach, and caters to a market requirement. The hibiscus sabdariffa has the effects of engendering liquid, allaying thirst, invigorating the stomach and helping digestion, the hippophae rhamnoide has the effects of tonifying the spleen and invigorating the stomach, the added coconut milk has the effect of increasing nourishing proteins and is convenient to absorb, and meanwhile, sunflower leaves have the effect of invigorating the stomach and the antibacterial effect. The coconut milk yam sausage has a reasonable formula, is suitable for being eaten by people suffering from weakness of the spleen and the stomach, and is beneficial to the health of healthy people.