Why is my phone doing this

Hi ryleigh76,

welcome to the Apple (user-to-user) Community.

Re: "Why is my phone doing this ?"

Whatever you did last on your device just before you saw the blurred screen (looks like you wanted to know or find something ... hence only the search button) is the likely cause.

Re: "how do I fix it"

Wondering if you have just tapped the search button, to move on.

Else:

Restarting the device may smoothly return it to normal operation:

How to: Restart your iPhone

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In the unlikely event that it is needed:

Apple support have this article online:

What to do: If the screen isn't working on your iPhone or iPad

or

If the screen happens to be frozen (not responding)

What to do: If your iPhone won't turn on or is frozen - Apple Support

Also, if you wish:

You can get support (online chat, phone, eMail etc.) from Apple

There's a "Get Support" link at the bottom of linked webpage:

iPhone - Official Apple Support

All the best :-)