I am pressing backup but it is still not backing up

Hi, princela193

We'd recommend following the steps here to back up your iPhone: Back up iPhone - Apple Support

To increase the chances of obtaining a helpful reply to your post, additional information will be needed. Providing details such as error messages you may be seeing, the specific actions being taken or results of any attempted troubleshooting steps will allow users to offer targeted suggestions that may address your concern.

Thanks!