The invention provides a Spirulina duck meat can, comprising the following raw materials by weight: 180 to 200 parts of duck breast, 60 to 70 parts of Spirulina, 20 to 30 parts of wolfberry, 30 to 40 parts of tomato, 30 to 40 parts of carrot, 20 to 30 parts of lemon, 4 to 5 parts of cassia bark, 5 to 6 parts of dahurian angelica root, 4 to 5 parts of epimedium, 4 to 5 parts of flatstem milkvetch seed, 3 to 4 parts of arundina graminifolia, 3 to 4 parts of glossy privet fruit, 3 to 4 parts of Juncus effusus L, 3 to 4 parts of wheatgrass, 100 to 120 parts of lemon vinegar, 0 to 60 parts of white sugar, 100 to 120 parts of sour milk, 10 to 30 parts of salt and a proper amount of water. According to the invention, a preparation process for the Spirulina duck meat can is simple and environment-friendly; Spirulina is added, so the effects of promotion of calcium absorption, improvement of immunity, prevention of metabolic disorders and aging, etc. are obtained; traditional Chinese medicinal materials like cassia bark have effects on warming tendons and dredging veins, and dahurian angelica root is capable of dispelling wind, relieving exterior syndrome, etc.; thus, the Spirulina duck meat can has corresponding health care functions and is health food with rich nutrients.