Liu Pei had encamped at Fank'ou and was worried about the progress of Ts'ao Ts'ao's troops.He sent his scouts out every day to look for a response from Sun Ch'uan.When he heard that navy and army forces from Wu Kingdom,led by Chou Yu,were moving west,he immediately sent his people to welcome Chou Yu's forces and himself went to greet Chou Yu by boat.