The invention provides a folding ramp. The ramp comprises a left single ramp, a right single ramp and a connecting rod for connecting the left single ramp with the right single ramp, wherein each single ramp comprises a first-section ramp, a second-section ramp, a third-section ramp and a fourth-section ramp which are independently arranged, transverse limiting is carried out between the head endand the tail end of each section of ramp through a shaft pin for realizing fixation, and longitudinal limiting is carried out between the head end and the tail end of each section of ramp through a lock hook for realizing fixation, and the fourth section of ramp can be adjusted in height through a height adjusting mechanism. According to the ramp, the height adjustment can be realized by taking the hinge point at the right end of the ramp surface as the rotating point through the height adjusting mechanism, so that the wider application can be realized, due to the fact that the ramp is composed of a plurality of detachable independent ramp sections, the ramp is convenient to carry, so that the application and the carrying environment of the ramp are greatly widened.