An antibacterial glass which contacts with water directly, releases a silver ion, and thus exhibits an antibacterial effect and a method for production thereof are provided. An antibacterial glass suitable as an antibacterial glass for a washing machine for subjecting an article to acquire antibacterial property to an antibacterial treatment with a silver ion during or after washing, or the like and wherein the antibacterial glass for a washing machine has a maximum diameter (t1) in the range of 1 to 50 mm and the amount of a silver ion to be eluted is a value in the range of 0.5 to 100 mg/(g 24Hrs) and a method for producing the antibacterial glass.
