Solar street lamp with lamp holder convenient to disassemble and assemble

The utility model provides a solar street lamp with a lamp holder convenient to disassemble and assemble, which can effectively solve the problem that the conventional solar street lamp structure is difficult to operate by a single person, can play a role in isolating internal circuits, and effectively avoids potential safety hazards caused by the fact that the circuits are extruded together. Thelamp comprises a lamp arm, a fixing block is fixedly arranged at the tail end of the lamp arm, an inserting hole with a right opening is embedded in the fixing block, an inserting rod is inserted intothe inserting hole in a sliding mode, the right end of the inserting rod extends out of the inserting hole and is fixedly connected with the left end of a lamp holder, and a first bolt for fixing andlimiting the inserting rod is upwards screwed at the bottom of the fixing block; an arc-shaped first threading pipe is arranged on the upper side of the lamp arm, the upper end of the lamp arm is inserted into a left end openi