Thermal environment: summer temperatures range 24 ~ 27 ℃, humidity range of 40% to 65%; in winter the temperature range of 18 ~ 22 ℃, humidity range of 30% to 50%; the transition between seasons, and consistent with the nature between summer and winter; any difference at any time throughout the year indoor wall temperature and the room temperature shall not exceed 3 ℃. Floor and near the air temperature should be between 26 ~ 30 ℃, 1 m above the floor temperature and air temperature should be between 18 ~ 25 ℃;

Sound Environment: during the day is less than 40dB, lower than the evening 30dB, floor impact sound insulation performance of not less than 75dB;

Oxygen atmosphere: carbon dioxide is lower than 500PPM, a certain concentration of negative oxygen ions;

Wind Environment: Any corner of the wind speed is not greater than 0.25m / s;

Light conditions: daylight illumination should be more than 300lx, at night should be less than 10lx. Not have glare;

Air quality environment: formaldehyde, benzene, TVOC, ammonia, radon concentration must be less than "civil indoor environmental pollution control" GB50325-2001, PM2.5 concentration of less than 35 μg / m³;

Visual environment: with a certain degree of subjectivity is closely related to age because of individual preferences, ethnic social habits;

Radiation Environment: as little as possible electromagnetic radiation;

Information Environment: must facilitate foreign exchange.