The new era of public safety and urban lifel&€♦ine project is to weave an all-round→&π and three-dimensional public safety net fε‍§or the city, reducing the p₹πotential safety risks€→ such as flooding, fire, g§δas leakage and explosion in households, public s¶¶♦ervice facilities, urban comp↕ ♥≠lexes, densely popul ≤∑ated places, high-rise buildin★↔↔↑gs, underground Spaces and underground pipe netwo€πrks. The ultimate goal is a better soc≠δπiety: healthy, safe λ→<φand resilient cities that provide resid•♦←★ents with convenient service₹$λs, clean and safe energy, comfortable an‍₽₽÷d safe housing and eff←♣icient transportation solutions. The order oα§f magnitude of the use of ¶÷¶scientific and technological advantages t≈βαo overcome urban chal↕'γβlenges, such as pollutant discharge moni≠π♠βtoring, food safety testing, safe ←₹αapplication of energy, water ✘π∞environment monitoring, home and ₹±®"public space safety preven• >tion, etc., to contribute to the rese↕ε&arch and development of future cities​✔α★.