Perhaps you could elaborate on your problem a bit more clearly.
We have no idea what sort of cabinet you're trying to hang, what sort of fixing it comes with, and quite what you're trying to fix into (plasterboard? stud/noggin behind plasterboard?).
We have no idea what sort of cabinet you're trying to hang, what sort of fixing it comes with, and quite what you're trying to fix into (plasterboard? stud/noggin behind plasterboard?).