The utility model belongs to the technical field of lighting equipment, and discloses a novel LED agricultural lighting lamp which is provided with a lighting lamp driving box, a manual adjusting handrail is movably installed at the upper end of the lighting lamp driving box, and an LED dot matrix light source is embedded in the front end of the lighting lamp driving box. An LED lamp fixing base welded to the lighting lamp driving box is arranged at the upper end of the LED dot matrix light source, and a plane mirror pasted to the outer side wall of the lighting lamp driving box is arranged around the LED dot matrix light source. The LED dot matrix light source emits light suitable for growth of flowers and plants, and the light source is refracted to all directions around through the plane mirrors around the light source, so that the indoor flowers and plants can normally perform photosynthesis, the quality of the indoor flowers and plants is improved, and the indoor flowers and plants can normally grow.