龙 symbolize great power, good luck and strength. They represent power and authority, particularly control over typhoons, water, rainfall and floods. Emperors were assumed to have descended from the dragons. That is why, out of the twelve zodiac signs.
In the fifth year of the Chinese zodiac, the Dragon, according to a myth, the Jade Emperor declared that order would be determined exactly by the order they came to attend his function. Everyone thought the mighty Dragon would arrive first, but he came after Rat, Ox, Tiger and Rabbit. The Dragon was late because he halted to make rain for a village that was suffering from drought. The Jade Emperor was impressed and gave him the 5th position in the rankings.
The Chinese Dragon is a beautiful, wise and friendly being and not like the western Dragon, which is associated with evil and destruction. The Chinese Dragon is loved and worshipped by all. It has shrines and temples dedicated to this purpose. In return, the Chinese people believe that the dragon showers rain, good luck and prosperity.