A system for monitoring administered liquid substance includes a medicine administration system including an employee bar coded label, a patient bar coded label, a medicine bar coded label, and a medicine controller having a medicine controller bar coded label and a medicine administration device； and an administration monitoring system including a computer for medication, a barcode reader, and a handheld mobile device. The barcode reader scans the employee bar coded label, the patient bar coded label, the medicine bar coded label, and the medicine controller bar coded label and sends the read barcodes to the computer for medication； a volume of substance to be administered is set by the medicine controller based on the read barcodes； the medicine controller outputs the set volume of substance to the computer for medication； the computer for medication compares the set volume of substance with a volume of substance written on the EMR, and a comparison result is sent to the handheld mobile device for showing.
