Core Viewpoint - The launch of low-altitude blood delivery routes in Chengdu represents a significant advancement in medical logistics, utilizing drone technology to enhance emergency healthcare response capabilities [1][2]. Group 1: Low-Altitude Blood Delivery - Chengdu has opened its first low-altitude blood delivery routes, utilizing drones equipped with smart temperature-controlled logistics boxes that maintain a temperature variance of 0.5°C, meeting cold chain transport requirements for blood [1]. - The drones used for blood transport are capable of autonomous flight with AL-4 level automation, allowing them to complete the entire transportation process independently [1]. - These drones can operate under adverse weather conditions, including light rain, snow, and winds up to level six, ensuring the safe delivery of emergency blood and medical samples [1]. Group 2: Expansion of Low-Altitude Medical Logistics - The establishment of low-altitude transport routes for medical samples is not unique to Chengdu; for instance, Sichuan University West China Hospital has launched a drone delivery route that reduces sample transfer time to 15 minutes [2]. - In 2024, Longquanyi District plans to implement a regular low-altitude medical supply delivery project, with 15 drone takeoff and landing points and 15 low-altitude routes connecting various medical institutions and health clinics [2]. - The Chengdu Health Commission emphasizes that low-altitude blood delivery is a crucial measure for enhancing urban public health emergency response capabilities through technological innovation [2].