According to the Tantric Classic "Thousand Hands and Thousand Eyes Avalokitesvara Mahayana Sutra", Avalokitesvara practiced Bodhisattva with Wangjing Qian in the past life, that is, in an indescribable distant past. After hearing the Tathagata preach "Great Compassion, Great Compassion and Great Prajna", she vowed to benefit all sentient beings and to wait for all sentient beings to do their best to become a Buddha.

So he spent countless hours, from hell, evil spirits, animals, human nature, to countless beings. When he returned from heaven, he was surprised to find that there were no fewer beings in hell. He lamented the weakness of his strength and wisdom, and he began to doubt his oath. In an instant, his body burst. With only a little strength and faith, he prayed to the buddhas!

At this time, a miracle appeared. With the blessing of countless buddhas and bodhisattvas, the broken body of Guanyin Bodhisattva once again gathered and formed, and thousands of hands covered her whole body. Every hand has an expression and 1000 pairs of eyes. At this time, the ten sides of the earth shook together, and the ten buddhas radiated great light beyond the sun and the moon together.

At this time, the ten sides of the earth shook together, and the ten buddhas radiated great light beyond the sun and the moon together. All buddhas hold the golden hand as the top, and avalokitesvara once again issued a great compassion oath: I will do great benefits for all sentient beings. A thousand hands are to take care of all sentient beings, and a thousand eyes are to look at all things in the world and take care of all sentient beings. It is vast and complete without obstacles.

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According to Gan 'an County Records, the temple at the top of Xiangshan Mountain is the famous Xiangshan Temple where san huang became a monk.

The legend of Sanhuanggu is the third daughter of the fourth emperor of Ming Dynasty. She was born beautiful, intelligent and independent, and was influenced by Confucianism since childhood. She is the best of the sisters. Because she and the son of former minister Jie Jin were childhood friends, she wanted to marry Xie Zhan. However, Jie Jin's whole family was removed because of an unjust case, and her lover was separated from life and death, which made her desperate.

I was extremely tired of the cheating and decadent life in the palace, so I sneaked out of the palace and went to Xiangshan Temple to become a monk. After several unsuccessful imperial edicts calling her back to the palace, the emperor wrote another imperial edict on the pretext that she was ill after missing her granddaughter, and said that if her aunt didn't return, she would chop her hand and gouge out her eyes as a medicine guide for the queen mother.

Third, Huang Gu has a strong will. In order to be filial, she beheaded and gouged out her eyes and asked the messenger to take her back. When the emperor saw it, his heart ached and he felt his loyalty. He made a decree to let Huang Gu be a Buddha with thousands of hands and eyes, and later it was passed down as a Buddha with thousands of hands and eyes, and it was Guanyin with thousands of hands.

Baidu Encyclopedia-Legend of Guanyin with Thousand Hands