Abstract: Provided is a package device, relating to the technical field of lamp beads. The package device comprises an SMD holder, wherein the SMD holder is a hollow housing with one end opened; and the material of sidewalls of the SMD holder is transparent plastic. In the package device provided by the present invention, a transparent material is provided as the material of the sidewalls of the SMD holder, and light generated after a chip is powered on can be partially transmitted out through the sidewalls of the SMD holder, avoiding blocking of the light generated after the chip is powered on by the sidewalls of the SMD holder, thereby increasing transmittance of light from the chip.