The invention discloses concentrate supplement for dairy cows in early peripartum and a using method thereof. A formula of the concentrate supplement contains 17.5% of protein, 4% of fiber, 2.5% of fat, 12% of ash, 3% of calcium, 0.5% of phosphorus, 0.6% of magnesium, 0.8% of potassium, 0.6% of sulphur, 0.1% of sodium and 0.9% of chlorine, wherein the percentages are mass percentages of all the components in the total weight of the concentrate supplement for dairy cows in early peripartum; and the formula also contains 75mg/kg of manganese, 120mg/kg of iron, 32mg/kg of copper, 2.5mg/kg of cobalt, 125mg/kg of zinc, 0.5mg/kg of selenium, 3mg/kg of iodine, 42000IU of vitamin A, 10000IU of vitamin D, 420IU of vitamin E and 50ppm of rumensin. The using method is that the concentrate supplement for dairy cows in early peripartum is used together with corn silage and tall oat grass or hay. The concentrate supplement can improve the blood calcium concentration of cows, provide available energy, reduce energy negative balance, improve fat metabolism, and reduce blood NEFA (Non Esterified Fatty Acid) concentration so as to effectively guarantee the smooth transition of the production phase of the cows.