The invention discloses an intelligent association transfer robot arm for a building construction site. The intelligent association transfer robot arm for the building construction site comprises a clamping mechanism and a moving mechanism, the clamping mechanism comprises a rotating seat, a motor and a rotating frame, the motor is installed on the front portion of the rotating seat, the rotating frame is installed on the inner side of the rotating seat, a clamping frame is arranged on the rotating frame, an outer cylinder is arranged on the inner side of the clamping frame, an electric telescopic column is installed in the interior of the outer cylinder, an inner sliding column is installed on the telescopic portion of the electric telescopic column, a connecting plate is arranged on the inner sliding column, a pressure sensor is installed on the connecting plate, and a fixing plate is arranged on the pressure sensor. The intelligent association transfer robot arm for the building construction site is simple in structure, reasonable in design and low in production cost, glass can be well clamped and placed on a transport vehicle, meanwhile, the glass can be well protected from being damaged by clamping, and therefore manpower is greatly saved, the working efficiency is improved, glass materials are convenient to carry, and the practicability is high.