During the outbreak of COVID-19, the "non- contact mode" turns the smart home into a hot topic. The growth rate of the smart home industry has been increasing since the emergence of the concept of smart home in the 1980s, which attracts a large number of enterprises to devote themselves to the research of the home automation system. As a veteran in the field of smart home, HDL Automation takes the lead by virtue of advanced Internet of things technology and intelligent control system and has made proud achievements.