Support for cast-in-place bent cap and construction method of support

The invention relates to a support for a cast-in-place bent cap and a construction method thereof.The support for the cast-in-place bent cap comprises a bearing platform and a pouring mold, the pouring mold comprises a pier column mold and a cross beam mold, the pier column mold is connected to the bearing platform, the cross beam mold is connected to the pier column mold, the bearing platform is provided with the support, and the support is arranged on the bearing platform. The support comprises a plurality of supporting group frames and a supporting plate, the supporting group frames are arranged on the bearing platform, the supporting group frames are formed by stacking a plurality of supporting frames, locking assemblies for locking the adjacent supporting frames are arranged on the supporting frames, the pier column mold is located on one side of the supporting group frames, and the pier column mold is located on the other side of the supporting group frames. The supporting plate is arranged at the top e