Hidden concrete waist beam

The utility model discloses a hidden concrete waist beam which comprises a support pile and a waist beam, and the waist beam is connected with an anchoring section through an anchor cable. The waist beam is embedded between the support piles, and the outer side of the waist beam does not exceed the connecting line of the excircles of the support piles; a cast-in-place concrete plate is arranged on the outer side of the waist beam; the waist beam comprises longitudinal bars, stirrups and tie bars, the longitudinal bars are anchored into the support piles at the two ends, the stirrups are connected with the longitudinal bars in a surrounding mode, and the tie bars are arranged between the stirrups and the cast-in-place concrete slab. The utility model has the advantages that the waist beam and the support pile are combined into an integral structure through the longitudinal bar, and the waist beam and the support pile are in plane contact, so that the connection strength of the waist beam and the support pile i