The utility model provides a cloud calculates long -range accuse system of taking, its characterized in that includes communication connection's long -range expense accuse server and a plurality of smart electric meter, and smart electric meter includes box, box door and variable baffle, and the box is square size, and the box further includes spacing draw -in groove, connection slot, the fixed mouth of box, network interface, draw -in groove and cable inlet -outlet, the utility model provides a cloud calculates long -range accuse system of taking outward appearance is clean and tidy, convenient to use.