my phone has been stollen and in i cloud the device is also not showing what to do pls reply

If the phone is turned off or is offline, you can still put it in lost mode or remotely erase it so that if it does come back online those actions would take effect. The following link has instructions and other things you may want to do such as changing passwords and reporting it to your carrier: If your iPhone, iPad, or iPod touch is lost or stolen - Apple Support