The invention discloses a foldable landing gear. According to the landing gear, a support leg can be folded and unfolded; the support leg can be controlled to be folded in an aerial photographing process; the folded landing gear does not hinder a photographing lens, so that 360-degree all-dimensional smooth photographing of a camera can be ensured; a driving steering engine of the landing gear is used for transmitting power to a driving connection rod through a steering engine assembly; the steering engine assembly comprises a rudder angle and a rudder angle tank rotation shaft; the driving steering engine, the rudder angle and the rudder angle tank rotation shaft are products which are directly available in the market.