1. Testosterone propionate is commonly used in clinic for azoospermia, cryptorchidism and male sexual hypofunction; Gynecology is used for menorrhagia, hysteromyoma and senile osteoporosis, and hematopoietic stem cells are used to treat aplastic anemia. Yekelin may stimulate bone marrow autonomic nerve, improve bone marrow microcirculation, achieve the effect of exciting bone marrow, or promote more stem cells to enter the cell cycle through adrenergic receptors, thus producing therapeutic effects.