Lotus flowers symbolize incorruptibility. Lotus is also known as qinglian. Qinglian shares the same pronunciation with "incorruptness". Therefore, Lotus is also used as a metaphor for officials who are clean and upright and do not associate with others. Lotus flowers symbolize friendship. In ancient China, there was a folk tradition of folding plums in spring and carrying people in autumn. Lotus flowers were often used as a symbol of peace, harmony, cooperation, unity and so on. It can be seen that lotus flowers symbolize the pure friendship between people, so it is very suitable to give to one's confidant.