<p>A cereal tea drink which contains starch. More specifically, a cereal tea drink containing 0.009% by weight or more of starch and having an improved flavor, to which ultra-finely ground tea leaves having an average grain size of 1 µm are added to thereby impart an appropriate roasted smell characteristic to cereal tea drinks and mildness and relieve the pasty texture originating in the starch. It is also intended to provide a method of producing the cereal tea drink described above and a method of improving the flavor of a cereal tea drink.</p>