The invention discloses a novel LED street lamp which comprises a base, a thick pipe, a supporting frame, a lamp pole, a thin pipe, a bolt, a screw, a lampshade, an LED lamp, a sliding wheel, a chainrope, a rope storing box, a rope storing shaft and a rocking rod. According to the novel LED street lamp, the rocking rod drives the rope storing shaft to rotate to pull the chain rope to adjust the height of the thin pipe, a spring is installed at the top of the thin pipe, when the thin pipe needs to be lowered, the rocking rod is rocked to pull the chain rope into the rope storing box, the spring extends, a first sliding ring on the thick pipe moves on the thin pipe, a second sliding ring of the thin pipe moves on the thick pipe, the bolt is installed in an inserted manner, and the thin pipecan be lowered; and when the thin pipe needs to be ascended, the bolt is removed, the rocking rod is released, the spring is backwards pulled to pull out the chain rope from the rope storing box, thefirst sliding ring on the thick pipe moves on the thin pipe, the second sliding ring of the thin pipe moves on the thick pope, the thin pipe can be ascended by fixing the bolt, the lampshade is connected with a transverse rod through a sleeve ring, a movable groove is formed in the transverse rod, and the sleeve ring is moved to achieve motion of the sleeve ring on the transverse rod.