Qianniu is the seller workstation of Alibaba Group. It is an official product of Alibaba Group and can be used by Taobao sellers and Tmall merchants. It includes the main functions of seller workstation, message center, Aliwangwang, Quantum Hengdao, order management, product management, etc. There are currently two versions: PC version and mobile version. The core function of Qianniu is to integrate for sellers: store management tools, business consulting information, and business partnerships, thereby improving the seller's operating efficiency and promoting win-win cooperation between each other.