Hi. My long is not working

Which password? Your iPhone passcode, or your Apple ID password, or some other password?

Here is what to do: If you forgot your iPhone passcode - Apple Support

If ye password is for your Apple ID:

…If you forgot your Apple ID password - Apple Support

…If you forgot your Apple ID - Apple Support

…Apple’s I Forgot Service

…How to use account recovery when you can’t reset your Apple ID password - Apple Support

…Contact Apple for help with Apple ID account security - Apple Support

And if you’re logged into the problem Apple ID here, look up the password in Settings > Password.