I cancelled my YouTube premium but apple has still charged it for the last 4 months I need this fixed

This is primarily a user-to-user support forum; other Apple users like you. We don't have access to information about charges to your account. See each of the steps in the following instructions. They include information on contacting Apple Support if the other steps don't help: If you see 'apple.com/bill' on your billing statement - Apple Support

The support article you came here from provides you with the steps necessary to cancel a subscription from the Apple App or iTunes Store. Is this what you used initially to cancel it?