This volume constitutes the proceedings of the 18th International Conference on Services Computing 2021, held as Part of SCF 2021 in December 2021 as a virtual event due to COVID-19. The 5 full papers and 2 short papers presented in this volume were carefully reviewed and selected from 21 submissions.

Rule-based Extraction of Tuple-based Service Demand from Natural Language-based Software Requirement for Automated Service Composition.- A Survey: The State-of-the-Art Development of B-Learning Services.- Research on the new model of ShenShan Special Cooperation Zone of Shenzhen coordinated development of regional economy.- Design of IoT Health Pension Scheme based on Physiological and Behavioral Indicators for Elderly.- Innovation of teaching mode of comprehensive engineering cost training course based on OBE concept in the era of big data.- The construction and improvement of digital library service.