Abstract: A light string structure includes a clip and a light source assembly. The clip is connected to the light source assembly, and a plurality of the light source assemblies are provided. Each light source assembly includes a light cover. The clip is arranged on a bottom portion or a side surface of the light cover. The clip and the light cover are integrally connected. The clip is elastic. The clip includes a clipping portion and inclined portions. An end of the clipping portion and the light cover are integrally connected. The clipping portion protrudes outwards and bends to form an arch-shaped concave portion. The inclined portions are respectively disposed at the end portions of the clipping portion and are integrally connected to the clipping portion. The inclined portions are respectively arranged inclined in directions opposite to bending directions of the clipping portion.

Abstract: A light string installation structure includes a light source body, a holder and a wire. A plurality of light source bodies are provided, and are connected by the wire, and each of the light source bodies is engaged on the holder. Specifically, each light source body includes a housing and a buckle with an open end. The buckle is provided at a bottom portion of the housing, and the housing is provided with two or more coupling portions for connection with the wire. The holder is provided with a clamping strip matching the buckle, and the buckle is fastened to and fixed on the clamping strip. When the holder is fixed at a position as required, the light source bodies can be disassembled and replaced separately.