Hi, My baby 5month+ on bf and i wanted switched to formula milk but she keep vomiting,dnt wan drink

There are different types of formula. Base on my experience or anyone actually different baby suit different formula so you have to keep changing until you find the one that is suitable for them. Also maybe start at 6 months for formula when they start solid. When you do formula for the first one week. Lessen one scoop of the powder.

you probably feed too much.