A liquid composition which includes a taxane-based active ingredient (a) selected from the group consisting of docetaxel and a derivative thereof at least one glycol (b) and at least one surfactant component (c) selected from the group consisting of a polysorbate, a polyoxyethylene glycol ester, and a polyoxyethylene castor oil derivative, in which a volume ratio of the glycol (b) to the surfactant component (c) is in a range of form 45/55 to 55/45, and a total content of the glycol (b) and the surfactant component (c) with respect to a total volume of the liquid composition is 95% (v/v) or more.
