The article "Proximity Sensing Electronic Skin: Principles, Characteristics, and Applications" by Bingwei Wu et al. provides a comprehensive review of advancements in proximity sensing electronic skin technology. The authors highlight the importance of non-contact detection in various applications, especially in the context of infectious diseases like COVID-19. They discuss the principles and characteristics of single-type and dual-type proximity sensors, emphasizing their large area, multifunctionality, strain, and self-healing capabilities. The article also explores the widespread applications of flexible proximity sensors in human-robot collaboration, human-machine interfaces, and remote monitoring, underscoring their potential value across various domains. Additionally, the paper offers insights into future advancements in flexible proximity sensor technology, including improvements in material optimization, structural design, and the use of ultra-thin dielectric layers to enhance sensor performance. The authors conclude by discussing the integration of diverse proximity sensor types to achieve more complex functions and improve sensor performance, driven by the need for enhanced safety and functionality in various applications.The article "Proximity Sensing Electronic Skin: Principles, Characteristics, and Applications" by Bingwei Wu et al. provides a comprehensive review of advancements in proximity sensing electronic skin technology. The authors highlight the importance of non-contact detection in various applications, especially in the context of infectious diseases like COVID-19. They discuss the principles and characteristics of single-type and dual-type proximity sensors, emphasizing their large area, multifunctionality, strain, and self-healing capabilities. The article also explores the widespread applications of flexible proximity sensors in human-robot collaboration, human-machine interfaces, and remote monitoring, underscoring their potential value across various domains. Additionally, the paper offers insights into future advancements in flexible proximity sensor technology, including improvements in material optimization, structural design, and the use of ultra-thin dielectric layers to enhance sensor performance. The authors conclude by discussing the integration of diverse proximity sensor types to achieve more complex functions and improve sensor performance, driven by the need for enhanced safety and functionality in various applications.