An object of the present invention is to provide: a soy milk having a pleasant flavor and suppressed soybean odor, raw smell, astringency, and so forth and a method for producing the soy milk. Specifically, provided are: the soy milk a soy-milk flavor improver containing, as an active ingredient, a triacylglycerol having a medium-chain fatty acid with 6 to 12 carbon atoms as a constituent fatty acid an improved soy milk containing a soy milk and the soy-milk flavor improver and a food and a drink containing the improved soy milk. A method for producing the improved soy milk is also provided.