Construction industry is very important for the growth of Hong Kong economy. Nowadays, “Industry 4.0”, “Intelligent” were advocated by all countries, therefore , all kind of industries should introduce new idea, new technology , to keep themselves competitive. Be called ” One of the most important technology application in 21 century”, the development of RFID is mature. The cost is keep reducing. So, this is the golden time to introduce RFID. In fact, some of the HK contractors have already use RFID for access management, asset management and so on.