The hospital tertiary company should abide by national laws and regulations and comply with relevant policy requirements. The hospital three companies should sign a formal contract or agreement with the hospital to clarify the rights and obligations of both parties and carry out relevant business activities in accordance with the law. The hospital third party company should ensure that its business activities comply with the norms and standards of the medical industry, including but not limited to the quality of medical services, safety management, privacy protection and other requirements.