1. Fully grasp the functional and non functional requirements of the product, design quality assurance and testing strategies for different products; 2. Develop a testing plan and design test cases; 3. Execute project test cases to test the functionality, performance, and other aspects of the product; 4. Track, analyze, and report software issues to facilitate timely and reasonable resolution of problems discovered during testing; 5. During the testing process, actively summarize and provide timely feedback on any issues encountered, and attempt to improve testing methods and optimize the process;