How to get rid of a blister on my toe(bottom)?

Blisters are caused by friction. You have to reduce or remove the friction so that the skin does not become irritated and inflamed that’s a blister forming. If it’s happening on the bottom of the toe try a cushioned insole like Spenco if the blister pops and becomes infected put a topical anabiotic and cover it with a Band-Aid if it continues to bother you see a podiatrist or your family doctor