This book constitutes the refereed proceedings of the Second CCF Conference on Natural Language Processing and Chinese Computing, NLPCC 2013, held in Chongqing, China, during November 2013. The 31 revised full papers presented together with three keynote talks and 13 short papers were carefully reviewed and selected from 203 submissions. The papers are organized in topical sections on fundamentals on language computing; applications on language computing; machine learning for NLP; machine translation and multi-lingual information access; NLP for social media and web mining, knowledge acquisition; NLP for search technology and ads; NLP fundamentals; NLP applications; NLP for social media.