The discovery of a small lump inside the parametrium is not normal and should be further combined with a local color ultrasound examination. Parametrial hyperplasia is a benign disease, but with the evolution of the disease, parametrial hyperplasia can also appear, subject to the usual habits, personal factors and environmental factors of multiple influences, parametrial hyperplasia patients will show lumps, or have obvious symptoms of swelling and pain, and some patients will even have a combination of parametrial head, showing local changes of overflow. The parametrial hyperplasia should be actively treated, because some patients with parametrial hyperplasia are prone to malignancy, which can also manifest as hard bumps, or even gradually increase in size within a short period of time, and the patient will also have symptoms of numbness and discomfort in the upper extremities. The occurrence of parametrium is a congenital developmental abnormality and a developmental malformation, also known as polymastia, and many patients even show localized nipple changes.