Abstract: A ground-inserted decorative lamp string includes at least two decorative lamp bodies, each of which includes a decorative lamp main body and a ground insert. The decorative lamp main body includes a decorative lampshade, a lamp pole and an LED lamp string. The decorative lampshade is internally provided with a lamp bead accommodating cavity, and the lamp bead accommodating cavity penetrates through an inner cavity of the lamp pole. An upper end of the lamp pole is used to be cooperatively installed with the decorative lampshade, and a lower end of the lamp pole is used to be cooperatively installed with the ground insert, and the LED lamp string extends into the inner cavity of the lamp string, such that at least one LED lamp bead extends through the upper end of the inner cavity of the lamp pole and is located in the lamp bead accommodating cavity.