Abstract: Three technical ways of generating UWB instant multi-pulse are expounded and the experimental project is completed which bases on investigating about multi-pulse generation and characteristic of UWB pulse. Technical way of pulse division includes many switchs, so the rising time becomes long and amplitude becomes diminution because of every switch includes connective inductance and connective resistance. Technical way of series pulse former line can obtain stable two pulses although the switch capacitance and isolation inductance have influence on output pulse. Technical way of pulse synthesis which use magnetic materical transmit and isolation pulses, but response speed of the existing magnetic materical is too slow, so the working point of magnetic materical can not become when the pulse width is ns. The existing magnetic materical can not isolate pulses.