The traditional custom of China is “paying” in the New Year. “Lee is” is also called “Red Packet”. It is good for luck and good fortune. The average old man calls it “red paper.” According to legend, the custom of “Peli is” has long been popular, but at that time, people used only a bright red paper with auspicious auspiciousness, wrapped a note with a blessing, and sent to friends and relatives to express their wishes. Later, people switched to a new one. A red paper with a shape similar to a square, wrapped in copper coins, and sealed for profit.