Uterine fibroids do not usually directly cause endometrial hyperplasia simplex, but patients with fibroids may have a combination of endometrial hyperplasia simplex. There is no direct causal relationship between fibroids, which are smooth muscle tumors that occur in the myometrium, and endometrial hyperplasia, which is a simple marked thickening of the endometrium. Some uterine fibroids or endometrial hyperplasia may be caused by increased estrogen levels in the body, and these two diseases have a close relationship with estrogen levels in the body, so female patients may have uterine fibroids combined with endometrial hyperplasia. In the case of uterine fibroids combined with endometrial simple hyperplasia, female patients may experience symptoms such as constant vaginal bleeding, intermittent bleeding, and discomfort in the lower abdomen. It is recommended that the patient should consult the doctor in time, and under the doctor’s guidance, according to the cause of the disease, the symptomatic treatment.