RESUMEN
Objective To protect the economic benefits of the hospital by improving the medical record quality,quality control ability,and standardising the filling of the medical insurance settlement list.Methods Re-quality control of previous malignant tumour cases,with the help of the intelligent health insurance case collaboration system,compare the changes in case entry and benchmark costs after the revision of errors,analyse the results caused by different errors,and summarise the correct experience.Results Erroneous disease diagnoses can lead to losses or suspected fraud in health insurance billing,affecting the economic operation of healthcare organisations.Conclusion The improvement of the quality of the medical insurance settlement list not only needs to improve the quality of case writing,coding level,but also needs to read the connotation of the policy through extensive study.