The present invention relates to a positive electrode for a lithium secondary battery, wherein the positive electrode of the present invention includes a positive electrode collector, a first positive electrode active material layer which is formed on the positive electrode collector and includes a first positive electrode active material, and a second positive electrode active material layer which is formed on the first positive electrode active material layer and includes a second positive electrode active material, wherein the first positive electrode active material and the second positive electrode active material include a lithium nickel-cobalt-based oxide in which an amount of nickel among total metallic components excluding lithium is 80 atm% or more, the first positive electrode active material has a molar ratio of nickel to cobalt of 18 or more, and the second positive electrode active material has a molar ratio of nickel to cobalt of less than 18.