The exact cause of uterine fibroids is not yet fully understood. The occurrence of uterine fibroids may be related to female hormones and genetic factors. 1. Female hormone: as uterine fibroids are more common in women in their reproductive years, the incidence of uterine fibroids is low before puberty, and uterine fibroids gradually shrink and recede after menopause, which suggests that the occurrence of uterine fibroids may be related to the hormones of women’s body to a certain extent. 2. Genetic factors: the occurrence of uterine fibroids has some relationship with heredity, and chromosome deletion, ectopic and other reasons may lead to the appearance of uterine fibroids. Asymptomatic uterine fibroids usually do not need treatment, but if uterine fibroids appear a series of symptoms such as increased menstrual flow, iron deficiency anemia or pressure on the surrounding tissues, it is recommended to go to the hospital in time for early and regular treatment.