Nano silver ion filter as a new generation of natural antibacterial agent has the following characteristics: broad-spectrum antibacterial and without any resistance; strong sterilization, can in a few minutes to kill various harmful to human body bacteria; strong permeability, the pores of rapid infiltration of subcutaneous sterilization, on common bacteria, bacteria, drug resistance bacteria and stubborn caused by a fungal infection has good bactericidal effect; promote healing: improve trauma to surrounding tissue microenvironment, effectively activate and promote the growth of tissue cells, accelerate wound healing, reduce scar formation; enduring antibacterial nano silver particles, the use of patented technology production, having an outer layer of protective film, in the human body can be gradually released, so the antibacterial effect lasting.