In this research, a single input virtual digital multi-meter are designed and constructed. It consists of three major works: (1) Software design of front panel (2) Measurement circuit design (3) System integration. The related measurement theories are also described and introduced. This digital multi-meter is made by software part, Labview hardware part, DAQ card and external measurement circuits. The measurement functions include (1)DC voltage (2) AC voltage (3) DC current (4) AC current (5) Resistance (6)Capacitance (7) Inductance (8) Diode test (9) Audio continuity. In the illustrations, demonstrate the design of front panels and also proceed the measurement test of the designed single input virtual digital multi-meter to show the capabilities.