1. Fully grasp the functional and non functional requirements of the product, design quality assurance and testing strategies for different products. 2. Develop testing plans 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 promote timely and reasonable solutions to problems discovered during testing. 5. During the testing process, actively summarize and promptly provide feedback on problems exposed, and try to improve testing methods and optimize the process