disclosed is an antimicrobial medical monitor case which has antimicrobial properties by adding a zinc phosphate glass powder to a synthetic resin for a monitor case . the antimicrobial case includes 99 . 4 to 99 . 8 wt % of a plastic resin and 0 . 2 to 0 . 4 wt % of a zinc phosphate glass powder represented by formula : ⅓ag 2 o · m · n , where m = 10 , and n = 1 . 1 to 1 . 4 .