The invention relates to a drop-hammer type seismic exploration source which is mainly composed of a base, wheels, a guide column, a releasing stop plate, a heavy hammer, a heavy-hammer fixing plate, a guide sleeve, a strong magnetic suction device, a hydraulic lifting device, a spring forcing device, a hammering spacer, a trigger, an electric hydraulic pump, a direct-current battery and an inverter. The drop-hammer type seismic exploration source capable of generating high-energy seismic waves with seismic wave energy and efficiency adjustable in size is novel and simple in structure, downsized, light in quality, detachable, convenient to transport, reliable in use and especially suitable for an field operation environment.