Riveting tool for inner wall of narrow abutting stabilizer and using method of riveting tool

A narrow abutting stabilizer inner wall riveting tool comprises a riveting pressing head, a supporting plate and a positioning sleeve. A groove of which one side is open is formed in the pressure head body, so that the pressure head body is of a C-shaped structure; a through hole is formed in the positioning sleeve; a first boss is arranged on the top face of the supporting plate, and a second boss and a third boss are arranged on the top face of the first boss. The using method of the riveting tool comprises the steps that S1, the riveting tool is positioned; s2, removing the positioning sleeve; and S3, riveting is conducted. The riveting pressure head is provided with the groove with the open side, so that the pressure head body is of the C-shaped structure, during riveting operation, the upper wall and the upper mounting edge of the stabilizer shell can be sleeved with the groove of the riveting pressure head, and the pressing head on the riveting pressure head can stretch into the inner cavity of the stab