This two-volume set, CCIS 2341 and CCIS 2342, constitutes the refereed proceedings of the 18th China Conference on Wireless Sensor Networks, CWSN 2024, held in Taiyuan, China, during September 20-22, 2024. The 41 full papers presented in this volume were carefully reviewed and selected from 75 submissions. They were organized in topical sections as follows:- Part I: Cloud computing and edge computing; Internet of things security and privacy protection; Internet of things service and application technology. Part II: Smart internet of things; Theory and technology of wireless sensor network.