1, click the View tab in the slide master

2, you can see that there is now a template, click the upper left corner of the Insert Slide Master

3, click Insert Master, a new blank template will be created, you can freely create a template or directly copy and paste the template has been done in the content, so that this PPT will have two templates

4, close the master view, back to the general view, the slide need to use which template layout, right-click on it, select the layout, and then select the required layout can be