To provide a fermented liquid of tomato capable of rapidly exhibiting hypotensive action, having good flavor and taste, capable of being easily taken continuously for a long period, to provide a hypotensive agent, to provide an eating and drinking composition, and to provide food and drink.

This hypotensive agent contains the fermented liquid of the tomato. A method for using the hypotensive agent comprises taking the hypotensive agent in an amount of 0.4-2.5 g per day converted into acetic acid. A method for producing the hypotensive agent includes a fermentation process in which a processed liquid of the tomato is at least subjected to acetic acid fermentation. The food and drink contain the fermented liquid of the tomato. The eating and drinking composition contains the fermented liquid of the tomato, at least any one of an edible organic acid and its salt, and sugar alcohol.