The invention discloses a directional charging mechanism for brake pads and a charging method and relates to the technical field of brake pad charging. The charging mechanism comprises a charging portion and a clamping portion. The charging portion comprises a servo motor and a tool clamp connected with the servo motor. The tool clamp is provided with protrusions. The clamping portion comprises a clamping mechanism and a drive device. The drive device is connected with the clamping mechanism and used for controlling the clamping mechanism to do reciprocating motion in the axis direction of the tool clamp. The charging mechanism further comprises a position detection device and a controller. The position detection device is connected with the controller and used for detecting a charge-in signal generated when the brake pads are charged into the tool clamp and sending the charge-in signal to the controller. The controller is connected with the charging portion and the clamping portion. Meanwhile the invention discloses the charging method. Charging is conducted through the directional charging mechanism for the brake pads. By the adoption of the directional charging mechanism for the brake pads and the charging method, automatic charging can be achieved, and the phenomenon that the charge-in angle is wrongly judged can be avoided.