2. In folk geomantic omen, red is an auspicious color, which can ward off evil spirits, eliminate disasters and make a fortune. Therefore, in some very important activities, people will take red as the main color, such as weddings, Chinese New Year, parties, celebrations and so on. In addition, the red rope can also give people a feeling full of health and vitality, which is conducive to improving people's mental health.
3. Black is a common rope color in ancient Yu Pei. However, according to the Book of Rites, ancient emperors often used black Yu Pei ropes. "The emperor wears white jade and announces the group to wear it. Gong Houshan is mysterious and Zhu Group wears it. It is clear and bright." It means that the emperor can wear black rope and white jade, the vassal can wear red rope and black jade, and the doctor of Qing Dynasty can wear a group of aquamarine. Therefore, black has become one of the most expensive symbols, which can enhance people's wealth and fortune.