In the 21st century,although natural disasters and various emergencies cannot be avoided,modern technology provides strong support for efficient rescue and maximizes the protection of people's lives and property safety.In high-risk rescue scenarios,the situation is urgent and time is tight.Based on this,this article designs a quadruped mechanical dog biomimetic chassis and a quadcopter aircraft to achieve dual-use of land and air,go deep into the rescue site,assist rescue forces,improve disaster relief efficiency,reduce national and personal property losses,and protect the lives and safety of rescue personnel and the public.