A light-emitting assembly, comprising: a plurality of lamp beads; a lamp bead mounting plate, the lamp beads being mounted are on the lamp bead mounting plate; and a lamp bead shading face mask, the lamp bead shading face mask being connected with the lamp bead mounting plate, the lamp bead shading face mask covering the lamp beads, wherein there is a distance between the lamp bead shading face mask and the lamp beads, at least two side faces of the lamp bead shading face mask having light emergence holes, wherein one side, facing the lamp bead mounting plate of the lamp bead shading face mask, is provided with a first reflecting surface; one side, facing the lamp bead shading face mask of the lamp bead mounting plate, is provided with a second reflecting surface; and light emitted by the lamp beads is reflected by the first reflecting surface and the second reflecting surface and then emitted out of each of the light emergence holes in a light emergence direction; the light-emitting assembly further comprising a transparent block, at least a portion of the transparent block being provided between the lamp bead mounting plate and the lamp bead shading face mask; the lamp bead mounting plate being an elongate plate structure, the lamp bead shading face mask being matched with the elongate plate structure, the lamp bead mounting plate and the lamp bead shading face mask forming a rectangular parallelepiped structure, wherein the plurality of lamp beads are arranged on the lamp bead mounting plate in its length direction at intervals, the light emergence holes extending in the length direction of the lamp bead mounting plate, and the light emergence holes being provided at the two sides of the light emergence direction of the plurality of lamp beads. a plurality of lamp beads; a lamp bead mounting plate, the lamp beads being mounted are on the lamp bead mounting plate; and a lamp bead shading face mask, the lamp bead shading face mask being connected with the lamp bead mounting plate, the lamp bead shading face mask covering the lamp beads, wherein there is a distance between the lamp bead shading face mask and the lamp beads, at least two side faces of the lamp bead shading face mask having light emergence holes, wherein one side, facing the lamp bead mounting plate of the lamp bead shading face mask, is provided with a first reflecting surface; one side, facing the lamp bead shading face mask of the lamp bead mounting plate, is provided with a second reflecting surface; and light emitted by the lamp beads is reflected by the first reflecting surface and the second reflecting surface and then emitted out of each of the light emergence holes in a light emergence direction; the light-emitting assembly further comprising a transparent block, at least a portion of the transparent block being provided between the lamp bead mounting plate and the lamp bead shading face mask; the lamp bead mounting plate being an elongate plate structure, the lamp bead shading face mask being matched with the elongate plate structure, the lamp bead mounting plate and the lamp bead shading face mask forming a rectangular parallelepiped structure, wherein the plurality of lamp beads are arranged on the lamp bead mounting plate in its length direction at intervals, the light emergence holes extending in the length direction of the lamp bead mounting plate, and the light emergence holes being provided at the two sides of the light emergence direction of the plurality of lamp beads.