The present invention discloses a premature infant nutrition solution. According to the present invention, the types of nutrition solutions are adjusted according to the weight and the feeding time of a premature infant, wherein a nutrition solution TPN1, TPN2, TPN3, TPN4 or TPN5 is provided for a premature infant through a peripheral central venous catheter when the weight of the premature infant is less than 1500 g, and a nutrition solution PV0, PV1 or PV2 is provided for a premature infant through peripheral vein when the weight of the premature infant is more than or equal to 1500 g; and medical staffs can select different nutrition solutions according to the weight and the feeding time of the premature infant, and can perform micro-adjustment on the data of each nutrition solution by combining the detection data of the premature infant, such that the intestinal and parenteral nutrition of the premature infant can be subjected to unified management, the nutrition required by the growth and the health state can be flexibly provided for the premature infant, the gastrointestinal system maturation can be promoted, the barrier function can be improved, the occurrence of infection can be prevented, and the healthy growth of the premature infant can be promoted.