1, temperate zone, suitable humidity.
2. The area with minimum noise or meta-noise.
3, clean water or away from chemical and other environmental pollution areas.
4, the family environment and sanitation to maintain good.
5. Good greening environment.
6. Family harmony, good social workers.
7. Family members have high moral character and good mentality.
8. Family members have no bad hobbies.
9. Life and work are regular.