Whether uterine fibroids are serious or not is related to the size, location and nature of the fibroids, and needs to be analyzed on a case-by-case basis. Most uterine fibroids are less in number, the fibroids are relatively small, and the site of occurrence does not affect other organs, so there are no obvious symptoms, so it is not too serious. In a few cases, fibroids can be more serious, even affecting life, and need active treatment. If the fibroids are small or less in number, generally no symptoms or very mild symptoms, and no big impact on daily life, it is not too serious, and can be observed by regular follow-up, no special treatment is needed; if the fibroids are larger or more in number, and there is a lower abdominal mass, pressing the bladder and rectum, it is a more serious situation, which can cause a series of serious symptoms and affect life. It usually requires surgery. 2, uterine fibroids: 1, uterine wall fibroids: the condition is relatively mild, may cause lower abdominal cramps, discomfort, constipation and other symptoms, not very serious; 2, lower uterine fibroids: if pressing the bladder, it is more serious, can cause frequent urination, urinary urgency or difficulty in urination, urinary retention, etc.; 3, submucosal fibroids: relatively serious, because these tumors may prolapse outside the vagina, affecting daily life. It may cause secondary anemia after long-term increase of menstrual flow; 4. Subplasmalemmal fibroids: the twisting of the tip can have acute abdomen, which is a more serious condition and needs emergency treatment. The nature of fibroids: fibroids are usually benign tumors, usually not malignant, so it is not very serious; but if the fibroids grow rapidly, there may be the possibility of malignant transformation, which is more serious.