1. Fish Leaping Dragon Gate is an ancient Chinese myth and legend that a carp in the Yellow River will change into a dragon when it jumps over the Dragon Gate. Later, it is a metaphor for the success of a person's career or high status.

2. Yumen in the Yellow River Canyon in Hejin City, Shanxi Province, is the location of the legendary Dragon Gate. Here "the river to this mountain, straight down a thousand feet, the water wave undulating, like a mountain like boiling" terrain is very dangerous, is a waterfall straight down the site, according to legend is Yu Yu water excavated, so also known as Yumen.

3, the fish leap Dragon Gate from the "Xin's Sanqin Records": "Hejin a Dragon Gate, the water is dangerous, fish and turtles of the genus can not be on. River and sea big fish thin set of thousands under the Dragon Gate, shall not be on, on the dragon also." "Hejin is a Dragon Gate, Yu cut the mountain to open the door, more than a mile wide, the Yellow River flows down from the center, and the bank is not open to cars and horses. Every spring, there are yellow carp swimming against the current, and those who get through will be transformed into dragons."

4. All of them wrote that the carp of the Yellow River swims upstream against the current in the late spring, where thousands of carp jump the Dragon Gate, and the one who jumps over it can change into a dragon. Later, people used this idiom to compare the success of one's career or high status.

5, later research found in this place is indeed the phenomenon of fish jump, mostly sturgeon in the Yellow River. The upper reaches of the river, the water temperature is low, is the ideal place for sturgeon spawning, sturgeon in order to spawn male and female chase, often leaping out of the water to form the scene of the fish leap.