The invention discloses a medical record writing quality control method and system. The quality control method comprises the following steps: matching a corresponding quality control rule I accordingto the treatment diagnosis of a patient, the disease description of the patient, vital signs and an examination result, and reminding a doctor in real time when a written medical record does not conform to the quality control rule I; submitting medical records; judging whether the medical record meets a time limit rule I, a data integrity rule I, a data consistency rule I and a medical record scoring rule I or not; if so, printing the medical record, otherwise, displaying the problem to a doctor; inquiring the medical record of the patient, automatically matching a quality control rule II andopening the medical record; judging whether the medical record meets a second time limit rule, a second data integrity rule, a second data consistency rule and a second medical record scoring rule ornot; if yes, displaying a question-free record, and otherwise, displaying a defect question and returning the defect question to the doctor, wherein the doctor modifies the medical record and answersthe question. The writing quality of medical records is improved, the real-time performance is good, meanwhile, the medical burden is relieved, and the medical record management difficulty is reduced.