The utility model discloses an adjustable spit-type seat pipe clamping head which comprises an upper basal body, a middle matrix, a lower matrix, a stud bolt, a left fastening block, a right fastening block, a spring, a return pin, a single-end bolt, a clamping screw and a rotating shaft, wherein the left fastening block and the right fastening block are symmetrically installed on the two sides of the upper matrix through the stud bolt, the arc insert block of the upper matrix is inserted into the arc groove above the middle matrix and screwed and fastened through the single-end bolt and the clamping screw, the insert block of the middle matrix is installed in the groove above the lower matrix and positioned through the rotating shaft. The adjustable spit-type seat pipe clamping head has the advantages that through the spit-type design proposal, the angle adjustment and the locking of the saddle can be performed separately, the loosening and fastening nuts for the position and the angle are arranged on the side surfaces, quick overturning function can be achieved, the installation, the adjustment and the operation are convenient, and the clamping head can be conveniently used for common bicycles and electromobiles.