If it belongs to immature ovarian teratoma, the size of 16mm×14mm is generally not serious, but mature ovarian teratoma of 16mm×14mm is more serious, with poor prognosis and prone to malignant transformation. 1. Ovarian immature teratoma: this type of teratoma with a diameter of 16mm×14mm is not particularly serious, the condition can be controlled through timely treatment, and the prognosis is good, the survival rate is as high as 85% within 5 years after regular treatment. 2. Ovarian mature teratoma: if the diameter of 16mm×14mm teratoma has matured, it is more serious, and this kind of patients have very poor prognosis, there is a risk of malignant lesions, once malignant lesions will be life-threatening. If the ovarian teratoma is currently detected, it should be treated with myotriatoma excision as soon as possible, and comprehensive staged surgical treatment can be carried out for patients without fertility requirements.