According to the measured results, the vast majority of the living room, when all the lights on in, intensity of illumination in 100 - 200 lx, average illuminance of up to 152 lx, and original standard general activity for 20 - 30 ~ 50 lx, low intensity of illumination, the standard too high in the United States, Japan, only 75 lx, Russia is 1 0 0 lx, according to the actual situation in our country, Suggestions as the 100 lx. While writing, reading in the living room, with reference to the United States and Japan and the original standard, recommended as the 300 lx, it can be used mixed lighting to achieve. According to the measured results, and most of the bedroom illumination under 100 lx, intensity of illumination for an average of 71 lx, American standard is too high, the Japanese standard general activity is too low, reading too high, Russia for 100 lx. According to the actual situation in our country, the general activity intensity of illumination of the bedroom is slightly lower than the living room, it is advisable to take 75 lx. Bedside reading than writing reading of the bedroom is reduced, take 1501 x. To achieve general activity by general lighting lighting, bedside reading lighting can be reach by mixed lighting. Restaurant of illuminance in the original standard is too low, the highest 50 lx, lower in the United States, and Japan between 200 and 500 lx, according to the actual survey results of the our country, most in the 100 lx is right, this standard as the 150 lx. Dark current kitchen lighting, most only a general lighting, and work station does not set local lighting. According to the practical survey, most general activities under 1 00 lx, for the average illuminance on the 93 lx, and more abroad in 100 - 300 lx, according to the actual situation in our country, this standard as the 100 lx. And abroad on the operating table of illuminance are higher, in 200 - Between 500 lx, this is for the sake of operation safety and easy to identify. This standard according to the actual situation in our country, as the 150 lx, can be reached by mixed lighting. Toilet general lighting intensity of illumination in the original standard is too low, only 20 highest lx, and foreign standards in 50 - Between the 150 lx, according to the survey, the majority of about 100 lx, intensity of illumination for an average of 121 lx, therefore this standard as the 100 lx. As for washing a face, makeup, shave, available lens headlight lighting, lighting can be between 200 ~ 500 lx. Color rendering index ( Ra) Value is a reference to CIE standard 'indoor workplaces lighting' S/E - 008 For 2001, conforms to our country the needs of economic development and living standards improve, at the same time, the current lighting products have the same conditions.