Promotion chain has come to counter difficulties facing traditional promotion industry. It is developed with the support of block chain technology. Through decentralizing Promotion Circle, promoters’ community and credit accumulation system, it can achieve win-win results for customers and promoters, redefine the industry of promotion, develop a layout of worldwide promotional strategy and make a difference with promotion.Promotion is an inevitable topic in today’s commodity economy system. Especially in an era of internet economy featuring information explosion, the promotion and exposure of products are the foundation for effective brand promotion and the rise of brand awareness. They are as well a must for businesses to make profit:1.Complex promotion procedurewith low efficiency2.Tedious reconciliation process andsevere data contamination3.Poor market analysis ability anddeviation from promotional objectives4.Low industry transparency resulting in difficulty in standard management