On behalf of Shenyang Sport University, it is my pleasure to welcome you all to participate in the 12th Annual Conference of the Society of Chinese Scholars on Exercise Physiology and Fitness, which will be held in Shenyang Sport University, Shenyang, China on October 10-11th, 2013. The main theme is “Environmental effects on physical activities and quality of life”. The disciplines of this conference involved 1) Quality of life; 2) Public Health, Fitness and Health Promotion; 3) Sport, Exercise and the Environment; 4) Exercise, Nutrition and Weight Control; 5) Exercise and Fitness Theory; 6) Other Related Fields. Sports are beyond national boundaries. The conference we are hosting is for sharing with the participants the most update research findings in this domain, and for realizing and promoting the contributions of exercise and sports science in bringing a more harmonized, healthy and beautiful life to human beings. Shenyang Sport University aims to be the important location of a consortium for the exchange of information, ideas and expertise in the area of exercise, health and technology among universities and organizations in the world. The hosting of conference provides excellent opportunities for expanding international exchanges; for meeting old friends and getting acquainted with new ones. We hope you will really enjoy your staying in Shenyang and China. Once again, thanks for your support for the 12th SCSEPF Annual Conference 2013 in Shenyang.