LED lighting is a new kind of lighting product, it is one kind of lamp which based on LED (light emitting diode) light source. LED lights have been widely used as large advertising light boxes, road lights, stage lighting, etc. Now LED lighting has entered into our home life, the characteristics of energy conservation and environmental protection, makes it will fully replace the energy saving lamps in the next few decades. The LED lamp is acted the role of both practicability and decorative. The bedroom is like public construction, LED indoor lighting plays the role of practicability and decorative. We can get a best effect if we handle well the relationship between practicability and decorative. The practicability of LED lighting can assure indoor illume use, ensure eye of consumed sanitation, protect eyes and eyesight, smooth color without having unusual psychology or physiology reaction. Lamps and lanterns is firm, its circuit is safe and the switch is flexible. And in a sense, the decorative of lamps and lanterns is its practicability; otherwise, decorative problem is impossible. For instance, if we use lamps and lanterns to decorate a bedroom, we can relax our body and mind while we enjoying it, this kind of lighting effect is actually acting the role of real value of decorative. One of LED lighting's decorative character is the ornamental value, the material of lamps and lanterns is beautiful, chic modeling and brilliant color. The second one is coordination, arrange the lamp form passes elaborate design, coordinated with room decoration, and furniture furnishings form a complete set of design. The consistency between modeling of lamps material and the modeling material of furniture can reflect master's artistic conception. The third is outstanding individual character, change illuminant color according to people's need to create some kind of atmosphere, like enthusiastic, composed, comfortable, quiet, peaceful, and so on. Highlight the master's particularity of the requirement to the lamps and reveals different personalities. Nowadays, LED decorative lighting has been widely used in every field, we can find its appearance everywhere. On the premise that assures lighting, people can have a artistic enjoyment, this is the lamp's unity between practicability and decorative. Specific to each lamp, some lamps have lay particular stress on illumination; some have lay particular stress on at adornment while others get have both. When we make the choices, we should combine the characteristics of different people, different uses and interior decoration require comprehensive consideration.