The 20th CPC National Congress put education, science and technology, and talent work in a more important position, and at the same time stressed the need to enhance the dissemination and influence of Chinese civilisation. While the education of students studying in China, as an important part of the training of talents in higher education, is of great significance in strengthening the communication and understanding between China and the world. In the post epidemic era, China’s education has entered the stage of high quality development. President Xi Jinping, talking about education, has mentioned the need to “create a more internationally competitive study abroad education, and build China into a major global study abroad centre and a study abroad destination for the world’s outstanding young people”. This paper starts from clarifying the background and significance of the quality assurance mechanism of studying in China, analysing the current situation and problems of the quality assurance mechanism of studying in China, and then researching the strategy of the quality assurance mechanism of studying in China in a three-step strategy, aiming to ensure the healthy and long-term development of study abroad education from quality control before enrolment, quality assurance after enrolment, and continuous tracking and attention from the perspective of development. In addition, the reform and practice of high-quality cultivation mode for international students are guaranteed at four levels—student level, teaching level, management level and service level, and guided by the concept of total quality management of “all- member, all-process, all-round and multi-methods”. The reform and practice of high-quality cultivation mode for international students is guided by the concept of total quality management, which is “whole-person, whole-process, omni-directional and multi-method”.