To provide WC-Co cemented carbide excellent in hardness and toughness even though the kind and adding amount of a particle growth inhibitor are limited.

This cemented carbide has a composition containing, by weight, 4 to 20% Co and Cr and/or a Cr compound of 0.2 to 2% as a metallic content, and the balance WC with the average particle size of ≤1 μm with inevitable impurities, and also, in the temperature rising stage for sintering, gas pressure, in the case the gas pressure in the furnace in a part or the whole in which the temperature in the furnace is ≥1,500 K is defined as P (MPa), the average particle size of the raw material of WC composing the body to be sintered as (x) (μm), and the Co content as (y) (%), at least satisfying P≥9/(xy) is applied, and then, sintering is performed.