Correctly grasping the International Classification of Diseases ICD-10 and surgical classification ICD-9-CM-3 encoding method to improve coding accuracy and professional level is increasingly important to the current hospital information management. Through systematic continuing education training， the relevant personnel should be familiar with ICD-10 and ICD-9-CM-3 encoding rules， and continue to accumulate the appropriate clinical knowledge to improve their own coding levels. Coders should be “a basis， six fits”， that is based on the international classification of diseases and operation classification coding rules， coders should read more medical records， have more communi cation with clinicians， understand clinical medical knowledge， do more book search query for ICD code， sum up coding experience and multiply track the latest development of medicine and ICD coding.