The invention discloses an A-type mechanism with a lifting and top pressing massage head and having massage acting force tending to reach perfection. The A-type mechanism comprises a massage head and is provided with a vertical reciprocating plate (4), wherein a lifting device detachably connected with the massage head (1) is mounted on the left of the vertical reciprocating plate; a vertical rail fixing plate (10) is arranged on the right of the vertical reciprocating plate; a slider A (8) connected with the right of the vertical reciprocating plate is matched with a vertical slide rail (9) connected with the left of the vertical rail fixing plate; a motor A (5A) is arranged on the vertical reciprocating plate; and a connecting rod A (7A) pulled up and down is connected between an eccentric shaft A (6A) of the motor A and the vertical rail fixing plate (10). The A-type mechanism disclosed by the invention is used for replacing manual massage.