The present invention provides a composition for lipolysis, for example a pharmaceutical composition for preventing or treating obesity including localized fat deposits (LFD), comprising certain phosphocholine derivatives or pharmaceutically acceptable salt thereof. The pharmaceutical composition of the present invention shows an excellent lipolytic activity as well as a uniform lipolytic activity. And also, the pharmaceutical composition of the present invention can minimize side effects such as inflammation, tissue necrosis, etc., at the administered site. In addition, the pharmaceutical composition of the present invention has excellent storage stability.