有人统计,人的一生中有一半时间是在居室内度过的。居室条件的好坏直接影响着居民的身体健康。不良的居住条件可致风湿、佝偻病;可降低机体对疾病的抵抗力;可引起呼吸道、肠道传染病的传播与流行;还可导致蚊蝇、鼠类的繁殖孳生。因此为了居民的健康,房屋的建造一定要符合卫生学条件和要求。在这点上充分利用日光就显得很重要。也就是说,窗户的设计应保证居民充分利用日光。因为日光除了是人视物必不可少的因素外,它还可通过视觉和皮肤所受到的温热感和光电效应刺激神经系统,从而使全身各系统 Some statistics, half of the human life spent in the living room. The quality of living conditions directly affects the health of residents. Poor living conditions can cause rheumatism, rickets; can reduce the body’s resistance to disease; can cause respiratory and intestinal infectious diseases spread and epidemic; can also lead to mosquitoes and flies, breeding mice breeding. Therefore, for the sake of residents’ health, the construction of houses must meet the hygiene conditions and requirements. It is important to take advantage of daylight at this point. In other words, windows should be designed to ensure that residents make full use of daylight. Because sunlight is not only an indispensable factor for human sight, it also stimulates the nervous system through the sensations of warmth and optoelectronic effects on the eyes and skin, so that the whole body and the system