What is the function of loving the land?

Edenafil is a drug for treating male erectile dysfunction. Its main function is to inhibit phosphodiesterase 5(PDE5) from hydrolyzing cGMP, relax the smooth muscle and arterioles of the corpus cavernosum, and inject blood into the cavernous sinus of the penis to make the penis erect. It can improve erectile index and cavernous cavity pressure. ?