Probably you are having acne
There are different types of acne & causes are different.
In adolescent or early adult life androgen plays a big role.
So every time it’s not possible to stop it completely.
But it can be checked very well by new medicines & methods.
There are few general rules that you should follow
1. Don’t burst them.
2. Don’t put hand over them
3. Don’t clean face by rubbing after bath or face wash.
Just let it dry by itself or soak water with dry towel.
4. Don’t use medicines/creams/cosmetics over face without supervision of doctor.
You please consult a dermatologist
It will help.