Nowadays,the code and standard of "Healthy Community" and "Green Residence" have been released one after another.But theres little of the nighttime light environment which also is an important part of the residential environment.Furthermore,the study that focus on residents feel of the light trespass is rare both in China and the world.In this paper,the investigation on residentssubjective feelings of the interior light trespass has been expanded in 33 cities or regions among 20 provinces.The result shows that light trespass has become a nationwide residential light environment problem.According to the suvery of Tianjin,light trespass is classified into four categories."duration" and "luminance" is the main form of the static light trespass,and the dynamic light trespass increased the "flash" and "color".All types light trespass affects residents indoor activities,the first is "sleep or rest".This paper reflects subjective evaluation on the effect of light trespass on residents and provides research data to promote the residential lighting environment,it is aimed at contribute the effort towards the residential lighting environment.Preliminary suggestions of the prevention and control measures of the light trespass also is discussed.