The utility model discloses an equivalent analogue means of continuous impulse nonlinearity load, load module, touch display screen, drive circuit and relay including rectifier, LC wave filter, direct current switch module, a plurality of series connection, every load module includes the parallelly connected wound -rotor type resistor of a plurality of to break off or switch on by relay control, the output and the LC wave filter of rectifier are connected, and the input and the external electric wire netting of rectifier are connected, the load module is connected with the output of LC wave filter, the direct current switch module includes the parallelly connected direct current switch IGBT of a plurality of, the LC wave filter includes the parallelly connected filter capacitance of a plurality of groups, and direct current switch IGBT control filter capacitance switch on or break off, it controls switching on of direct current switch IGBT and breaks off to make drive circuit produce triggering signal through touch display screen input electric parameter. The device applies to the electrical characteristics of the multiple non -linear load of experimental study, provides the support for the stability of studying little electric wire netting.