With the large-scale advancement of new urbanization, the scale and number of construction sites maintain a high growth rate, and safety issues are gradually exposed. Accidents are easily triggered on short term laborers with weak safety awareness, and diverse mechanical equipment in complex site environment, resulting in high management difficulties and costs. To fulfill the needs of safety management requirements on construction industries, To fulfill the needs of safety management requirements in the construction industry, Corerain provides an AI-powered Safety Monitoring Analytics Solution to provide real-time monitoring and video analytics for personnel behavior supervision, hidden safety management and equipment status detection on construction sites.The smart site safety system（4S) comes with pre-deployed workplace safety inspection algorithms and can be easily integrated into existing monitoring systems. It also provides a standard API link, helping 4S system integrators and ISVs quickly deliver cutting-edge safety solutions.