The disclosure shows a liquid crystal composition that contains a compound having an effect of preventing photolysis of the liquid crystal composition and having high solubility in the liquid crystal composition, and that satisfies at least one of characteristics such as high maximum temperature, low minimum temperature, small viscosity, suitable optical anisotropy, large positive or negative dielectric anisotropy, large specific resistance, high stability to ultraviolet light or heat, and a suitable elastic constant, etc. and so on.The disclosure shows a liquid crystal composition that contains a compound having the following azolidine ring (Q-1) or azepane ring (Q-2), a liquid crystal display device and so on.