The causes of female infertility are as follows: 1. ovulation disorders: such as polycystic ovary syndrome, hyperprolactinemia, hyperandrogenemia, hyperprogesteronemia, decreased ovarian reserve function, premature ovarian failure; 2. tubal factors: hydrosalpinx, tubal blockage, poor endometrial tolerance, such as uterine adhesions, endometritis, endocrine disorders, such as Cushing’s syndrome, abnormal thyroid function; 3. genetic Genetic factors: chromosomal abnormalities, such as Turner’s syndrome, chromosomal translocation, chromosomal inversion; 4. Infectious factors: tubal tuberculosis, pelvic tuberculosis, endometrial tuberculosis; 5. Systemic diseases: lupus erythematosus, desiccation syndrome; 6. Reproductive organ abnormalities: longitudinal uterus, congenital absence of uterus, primordial uterus, etc.