The invention discloses a telescopic adjusting garden streetlamp. The telescopic adjusting garden streetlamp comprises a base, a lamp pole, an LED lighting lamp and a lifting frame; the lamp pole is connected with the ground through the base, roller grooves are symmetrically formed in the side edge of the lamp pole, a pair of first pulleys are symmetrically arranged on the outer wall, located below an opening, of the upper portion of the lamp pole, the top of the lamp pole is connected with a rain sheltering plate, a solar cell panel is arranged at the bottom of the rain sheltering plate, anda pair of second pulleys are symmetrically arranged at the position, located in the lamp pole, of the lower portion of the rain sheltering plate. The pulleys are arranged on the side wall of the upperportion and the inner top of the lamp pole, a steel cable is used for driving a lifting fame to ascend and descend, a groove is formed in the outer portion of the lamp pole, the lifting frame is connected with the rollers, the height of the streetlamp can be conveniently adjusted, maintaining is facilitated, occupied space is small, vertical stable running can be achieved, and practicability is high.