The recurrence rate of endometrial cancer stage 1a with highly differentiated standardized surgical treatment is low, there is no accurate data at present, and the recurrence rate is related to the type of pathology and treatment. Stage 1a endometrial cancer belongs to early stage, generally through standardized treatment, it can get better therapeutic effect, the recurrence rate of stage 1a endometrial cancer is usually not high, for those with high risk factors need postoperative adjuvant treatment, and after treatment, regular follow-up observation is needed, and there is also the possibility of recurrence. According to the overall treatment of endometrial cancer, most of the endometrial cancers recur in 2 to 3 years after operation, therefore, patients should be rechecked once every 3 to 6 months in 2 to 3 years after operation, and once every 6 months thereafter, and if there is any discomfort, it is recommended to go to the hospital for consultation, clear diagnosis and treatment, so as to avoid delaying the condition.