Although fibroids of 5cm are relatively large, if there are no symptoms of prolonged menstruation, increased menstrual flow or anemia, they can be temporarily observed and not treated surgically. However, in case of submucosal fibroids, even if they are very small and do not exceed 5cm, they need to be treated with surgery in time. After fibroid removal surgery, it is important to take precautions in terms of diet and abstain from taking drugs and foods that contain estrogen. Because fibroids are hormone-dependent tumors, taking hormone-containing drugs or foods can promote the growth of fibroids. So, fibroids 5cm is not serious, fibroids are benign tumors in gynecology, and timely review is sufficient.