Narrow frame and frame sash flush window

The invention relates to the technical field of broken bridge aluminum narrow frame windows, and provides a narrow frame and frame sash flush window which comprises a frame body. A fan body; the first clamping piece is provided with a bearing part, a connecting part and a clamping part which are sequentially arranged, the bearing part, the connecting part and the clamping part form a clamping groove, one end of the frame body is arranged in the clamping groove in a clamped mode, and one end of the fan body abuts against the bearing part; the first connecting piece is clamped on the clamping part; the second clamping piece is provided with a first end, a second end and a third end which are arranged in sequence, the second end is arranged on the first connecting piece in a clamping mode, the other end of the frame body abuts against the first end of the second clamping piece, and the other end of the fan body is arranged on the third end of the second clamping piece in a clamping mode. By means of the technica