The present invention relates to a method for manufacturing liquid cosmetics using ozonized olive oil, and more particularly, to a method for manufacturing liquid cosmetics using ozonized olive oil which removes odor unique to ozone and improves an antibacterial effect. The present invention has the following effects. That is, in the liquid cosmetics manufactured by the manufacturing method according to the present invention, there are advantages that the unique smell of ozone is removed and the antibacterial effect is improved, so that use efficiency thereof can be improved. COPYRIGHT KIPO 2022