Provided is an improved energy-saving streetlamp device for rural areas. The improved energy-saving streetlamp device for the rural areas comprises a lamp holder part and a lamp cap part; a lamp poleis arranged on the left side of the lamp holder part; the top of the right side of the lamp pole is fixedly provided with a connection rod, and the end, away from the lamp pole, of the connection rodis fixedly connected with the left side face of the lamp holder part; the bottom of the lamp pole is fixedly provided with a supporting seat; insertion slots are formed in the lamp holder part in a vertically symmetrical mode; a first sliding chute is formed between the two insertion slots in the upper portion and the lower portion; the lamp holder part is further internally provided with a secondsliding chute extending vertically and penetrating through the insertion slots; a third sliding chute communicating with the second sliding chute and the first sliding chute is arranged between the second sliding chute and the first sliding chute; a sliding strip is installed at the lower end of the second sliding chute in a sliding mode; a spiral hole is formed in the sliding strip; and a spiralrod is installed in the spiral hole in a matched mode.