RFID garment tag is widely used in manufacturing production line, brand management, logistics inventory and store management of garment industry, and is also playing an important role in improving the production efficiency of supply chain and reduce labor costs. With a RFID label attached to garment, the chip in the label can collect and store information, record whom the garment is saled to, and the sales activity of this product can be queried immediately on your RFID system. At the same time, RFID label comes with worldwide unique ID code, which can effectively solve the problem of anti-counterfeiting and anti-regional dumping of enterprises. It can help to realize the efficient management of each single product, and achieve the purpose of improving brand reputation, product value. According to the real-time tracking of the sales situation, we can establish a mathematical model to analyze consumer preferences, finally have a better understanding of the market trend and make a better development direction.