In the Three Kingdoms period, Cao Bing defeated Wu Bing and chased him from Hefei to Dayeling under the Dahengshan Mountain in Longquan Village, Qiaotou Town. The soldiers in Wu Bing were exhausted and helpless, so they had to drag their guns and flee to Chaohu Lake. This is because those soldiers who only care about their own lives left all their money and goods in Dayeling where Sun Quan died. Later, this Daye Ridge was called Tuoqiang Ridge. During the Three Kingdoms War, Cao Cao occupied Hefei with superior forces. In order to calm the war and stabilize people's hearts, he sent general Zhang Liao to guard Hefei. Cao Cao instructed Zhang Liao to punish a number of corrupt officials, and opened warehouses to release grain to help the people. He cultivated land in the countryside around Hefei, allowing farmers to cultivate fields, thus changing the situation of people's poverty and causing a situation of ruins. However, Sun Quan of Soochow dreamed that Hefei was a land of plenty. So through planning and stationing troops to gather grain, finally one day, Sun Quan personally led hundreds of soldiers to invade Hefei and set up camp outside the city gate. Behold, resourceful Zhang Liao was ready, and after careful consideration, he seized the weakness of Wu Bing's multi-day March. When the two armies were at war, Zhang Liao ordered Li Dian to confront Qian. After dozens of rounds, Li Dian shot Song Qian to death and Wu Jun was defeated. The next night, Sun Quan ordered the battalion commander Taishi Ci to fight. Zhang Liao knew that Taishi Ci was strong in martial arts and went forward bravely, so he went into battle himself and arranged archers. In the battle between Zhang Liao and Taishi Ci, the two men kept abreast, fought more than 80 rounds, and became more and more brave. At this time, the archers shot at Taishi Ci together, which caught him off guard. He was shot down by random arrows. Later, he was rescued by Lu Xun and Dong, and died of serious injuries. Sun Quan saw that the general trend was not good, so he had to escape with the beaten army. Zhang Liao saw the potential and ran after him. When he chased the Great Wilderness Ridge at the foot of Dahengshan Mountain in Qiaotou Town, the soldiers were thirsty and hungry, unable to support their weapons, so he had to run away with a gun. Just then, Sun Quan, the prince of Wu, felt dark and plunged off his horse. Instead of being blocked by a small tree, he fell into the abyss under the ridge. He was finally rescued by the soldiers and had to run away with his soldiers. Zhang Liao saw that the terrain ahead was complicated and he was afraid of losing, so he retreated to Hefei.