Uterine fibroid 3cm, if there is no uncomfortable symptoms, you can follow the doctor’s instructions to observe and follow up, and regular review; if there are menstrual changes, infertility, etc., it is recommended that surgical treatment. Uterine fibroids are the most common benign tumors in women, occurring between the ages of 30 and 50. Most of them have no obvious symptoms and are found only during physical examination. When the ultrasound examination indicates that the size of uterine fibroids is 3 centimeters and not accompanied by any symptoms, generally no treatment is needed, and can be temporarily observed and followed up according to the doctor’s instructions, with a review every 3-6 months, and then further treatment when symptoms appear. If the examination indicates that the uterine fibroid is 3cm and accompanied by menstrual changes, infertility, etc., surgery is recommended. Clinical manifestations of uterine fibroids are related to the location and size of fibroids and the presence or absence of degeneration. Common symptoms include increased menstrual flow, prolonged menstrual period, lower abdominal mass, leucorrhoea, and symptoms of pressure, etc. Irregular enlargement of the uterus can be detected on examination, and ultrasonography can be used to make a clear diagnosis, and medication or surgery can be given as prescribed by the doctor according to the severity of the symptoms and the age and other factors.