The invention relates to a method for cultivating transgenic melanin strawberries, which belongs to the field of planting technology. The method uses black soybean pigment gene, culture medium, sodium thiosulfate, magnesium sulfate, kudzu root dregs, starch, sodium sulfate, hypostone, and water as Raw materials, through gene transfer technology, the black soybean pigment gene extracted from black soybeans is injected into the embryos of strawberry seeds, and a compound organic nutrient solution containing potassium, iron and other trace elements is added to the soil to cultivate a vitamin-rich E. Black strawberries with iron elements. The appearance of the strawberry is black, the particles are large and uniform in size; rich in vitamin E and iron, which are easily absorbed by the human body, have a high biotransformation rate, and have special curative effects on patients with cerebral thrombosis; It has strong resistance to adversity and can be stored for 25 to 30 days at a low temperature of -5 to -10°C.