The present invention relates to a liquid organopolysiloxane having fluidity at a temperature of at least 100° C., having a silicon-bonded sugar alcohol-modified group, and having a crosslinked structure comprising a carbon-silicon bond in the crosslinking portion. The liquid organopolysiloxane of the present invention has excellent emulsion characteristics, imparts excellent tactile sensation, and, in particular, when compounded in an external use preparation or a cosmetic composition containing water and oil, takes advantage of the effects of water to suppress oiliness and provide a smooth, thick feeling when applied, a natural feeling to the skin with good compatibility with the skin, excellent moisturizing effects, and an excellent sensation during use without any oily stickiness.