The invention relates to a process for erectly instilling a slender shell element in a blade of a wind turbine with bamboo compound material, which includes a cleaning die, an assembling die, a fixed die, wrapped glass cloth, wrapped demoulding cloth, wrapped diversion net, a winding spiral pipe, instilling substrate glue material, hardener and demoulding. The erect instilling method solves the instilling problems of one-time forming of the slender shell element in the blade of the wind turbine; at the same time, by using gravity, the glue is uniformly pasted, thus, avoiding glue accumulation caused by horizontal placement of the instillation, deflection due to male die as well as difficult cloth wrapping and avoids the glue accumulation; the produces has relatively high coaxiality; besides, the inner surface of the products has high precision and the invention is in particular applied to the inner surface of the products with high requirements.