The invention provides a brake pedal, and relates to the field of vehicle chassis. The brake pedal comprises a pedal arm and a spring assembly, wherein the pedal arm is connected with a pedal connecting shaft through a connecting fork arm and a pedal connecting arm, the pedal connecting shaft is connected with a vacuum booster, and a pedal displacement sensor is installed at the pedal arm; the spring assembly comprises a reset spring and an adjusting spring, the reset spring is installed at a pedal-arm rotating shaft, the adjusting spring is composed of multiple spring bodies, and is fixedly installed at a fixing mechanism connected with a second pin shaft, and the second pin shaft is fixed at the pedal arm. By means of the brake pedal, the problem that as a brake pedal in the prior art cannot meet the requirement of a driver for the brake foot feeling, brake efficiency is low is solved.