Fan blade structure of fan lamp

The utility model discloses a fan blade structure of a fan lamp. The fan lamp comprises a fixing base, a middle shaft, a motor driving mechanism, a fan blade structure and a lamp body. The fan blade structure comprises a fan disc and a synchronous rotating disc, the fan disc extends outwards to form a plurality of fixing bases, the fan blade structure further comprises fan blades fixed to the fixing bases, fan blade bases are arranged on the fan blades, and the fan blade bases are connected to the fixing bases through rotating shafts so that the fan blades can be unfolded or folded relative tothe fan disc. A hollow disc is arranged between the fan blade seat and the fixed seat; an arc-shaped sliding groove is formed in the fixing base. A positioning column which penetrates through the arc-shaped sliding chute and is clamped on the synchronous turntable is extended from the hollow disc towards the direction of the arc-shaped sliding chute, so that the hollow disc and the synchronous turntable synchronously rot