The invention discloses a lighting decoration lamp for park roads, which solves the problems of single function, high energy consumption and poor lighting effect in the prior art; it includes an LED lamp line, a positive power supply line and a negative power supply line fixed on the top of the LED light line, uniform The supporting block distributed on the outside of the LED light line, and the lighting device; the lighting device includes a lighting lamp connected to the supporting block through a reflective device, the reflective device includes a concave lens and a silver-plated layer, and the lighting lamp includes an LED lamp bead mounting plate, an LED lamp bead, The lamp housing and the lamp shade, the LED lamp beads are electrically connected to the positive and negative power lines at the same time, the lamp housing is cylindrical and the side facing the LED lamp beads is a linear Fresnel flat prism, and the linear Fresnel flat prism has Fresnel The side of the lampshade opposite to the linear Fresnel flat prism is a light-transmitting diffuser plate, and the inner side of the arc-shaped side of the lampshade is provided with a reflective layer. The invention has the advantages of simple structure, scientific and reasonable design, energy saving, environmental protection and good lighting effect.