As a lightweight 5G technology,RedCap is an important evolution direction for cellular IoT,which can effectively take into ac-count the industry's dual demand for technical performance and deployment cost,and help accelerate the integration of 5G technology into thousands of industries.It analyzes RedCap's key features,basic communication function requirements,in-dustrial ecology and application scenarios,and proposes RedCap deployment strategies and network and service planning rec-ommendations to promote the continued development and evolution of cellular IoT in the direction of end-network synergy.