To provide an alkaline primary battery for enhancing an electricity capacity and a method for manufacturing the same.

In the flat alkaline primary battery 1 housing a cathode mixture 5, an anode mixture 7 and an electrolyte in a case 8, the cathode mixture 5 contains nickel oxyhydroxide as a main cathode active material as well as silver-nickel composite oxide as a sub-cathode active material, crosslinking polyacrylic acid as a liquid holding agent for holding the electrolyte, and fluororesin powder as a binding agent.