The invention relates to milk and a preparation method thereof, in particular to liquid infant milk which uses a UHT
steam injection type direct sterilization technology and is applicable to infants between 6 and 12 months. The invention belongs to the milk product technical field. The liquid infant milk comprises the following compositions: 250 to 550Kg of milk, 6 to 40Kg of defatted milk, 2 to 10Kg of concentrated
lactalbumin 34 (the content of
lactalbumin is 33 percent), 5 to 20Kg of desalted whey
powder D70 (the content of the
lactalbumin is 12 percent), 10 to 50Kg of vegetable fat
powder, 3 to 10Kg of saccharose, 5 to 20Kg of dextrine, 80 to 450g of compound
vitamin, 150 to 550g of compound
mineral matter, 0.8 to 8Kg of stabilizer, and 200 to 500Kg of water. The liquid infant milk has balanced
nutrition, exquisite taste, and easy absorption, and can satisfy the needs of the growing infants.