The olive branch symbolizes the meaning of peace and vitality. Olive branch symbolizes peace from the Bible about the "Noah's Ark" story, God found that the moral consciousness of mankind is becoming more and more weak, decided to flood will be swallowed up by mankind, but God thinks that Noah's family is still okay, they notified Noah to prepare a wooden boat, enough dry food and water, followed by a flood swallowed up the world, after a long, long time, the flood subsided, Noah and his couple will release a pair of doves in the boat to the blue sky, the doves will carry a dove. After a long, long time, the flood waters subsided, Noah and his wife released a pair of pigeons from the boat into the blue sky, and the pigeons flew back with an emerald green olive branch. This represented that the earth had come back to life and all was at peace. Therefore, the olive branch and the dove became synonymous with "peace".