Since the global outbreak of the COVID-19 pandemic in 2020, people around the world have become much more aware of public health and disease prevention and pandemic control is now becoming a normal part of the daily life. Accurately and efficiently testing people's temperature is regarded an effective measure to monitor potential cases and becomes a top priority for smart buildings and campus as they strive to secure public health while minimizing disruptions to maintain smooth visitor experience. Therefore, the solution combining face recognition and contactless temperature measurement is increasing adopted in smart buildings, which can detect forehead temperature and accurately match data to individuals identified through face recognition technology.