If you need to report the problems related to the second-class blood collection tube, it is recommended to report to the local drug supervision department. The drug supervision department is responsible for the supervision and management of drugs, medical devices and other products, and it is authoritative and professional to deal with such problems. You can get in touch with the local drug supervision department by inquiring the contact information, such as telephone number and email address, and explain the reporting matters in detail. Provide as much evidence and information as possible, such as product name, manufacturer, problem description, etc. Will help them investigate and deal with this matter. Maintain legal compliance, respect the guidance and requirements of drug supervision departments in the reporting process, and ensure the effectiveness and reliability of reporting.