The invention provides a hot delivery and hot charging production method of micro-alloyed steel. The micro-alloyed steel comprises the component of Fe, and further comprises C, Si, Mn, P, S, Al, Nb, Ti, Cr, Mo, Ni, Cu, B, N, O, and unavoidable impurity elements, wherein O is less than or equal to 0.002%, Nb is less than or equal to 0.11%, Ti is 0.08%-0.020%, and Ti / N is greater than or equal to 3.4, B is 0.001%-0.004%. The hot delivery and hot charging technology comprises the following steps that (1)when a continuous casting slab is subjected to straightening, surface temperature is 850-950 DEG C, and when hot delivery and hot charging are carried out, the surface temperature is 500-850 DEG C; a casting blank is preferentially and directly sent and delivered by using a roller way, or after number spraying is carried out, the casting blank is lifted off a line, but not stacked, and then delivered onto a furnace after natural cooling; (2)and during the heating process, the temperature of a preheating section hearth is greater than the surface temperature of the casting blank when the casting blank is subjected to hot delivery and hot charging. The hot delivery and hot charging production method of the micro-alloyed steel effectively avoids the star shake of steel plate surface caused by hot delivery and hot charging at two phase regions of micro-alloyed steel continuous castingslab, so that the industrial production of the micro-alloyed steel by hot delivery and hot delivery is possible, the production cost is reduced, and the hot delivery and hot charging technology is simple.