i can't any payment method however all the infomations are correct and the payment method is accepted in my country

If you alreay tried (to no avail) all the steps provided in the support article that led you here, please contact iTunes Store Support Team directly, using this specific link:--> Apple Support .

(if you get no help, look at the bottom of the above link, where you can contact them using "chat" or "phone" options).

Regards

Giulio