Hada is a silk fabric used by Mongolian and Tibetan people for etiquette, and it is an essential item in social activities. Long scarves or scarves used to show respect and congratulations are mostly white, blue and yellow. In addition, there are colorful Hada, the colors are blue, white, yellow, green and red. Blue means blue sky, white is white clouds, green is rivers, red is the protector of space, and yellow symbolizes the earth. Multicolored Hada is the most precious gift for making colorful arrows for bodhisattvas and their loved ones. Buddhist teachings explain that colorful hada is the costume of bodhisattva. Therefore, color Hada is only used under certain circumstances. Hada is the most popular gift from all walks of life in Tibet. Hada is similar to the rites and silks of the ancient Han nationality. Tibetan culture is very popular in Nepal, Bhutan and Buryatia, Russia.

Hada is a kind of etiquette supplies. Offering Hada is a traditional Mongolian etiquette. Worshiping Buddha, offering sacrifices, weddings and funerals, paying tribute to elders and VIPs, all need Hada for weddings, funerals, and giving thanks. According to different uses, Hada's folding methods are also different. Generally speaking, there are access folding method and dedication folding method.

In the past, there were certain rules, norms and forms for using Hada: on weekdays, officials at all levels should use Hada according to their own identity or name, and they could not deviate from the rules. Private and folk use of Hada should be arbitrary, and there are not so strict regulations. Neikuhada is also used between relatives and friends. There are certain rules and forms for offering Hada: according to the established rules, what is given, what is given, what is given at the same level, what is given to the other side, what is given to the seniors, the peers and the younger generation all have certain rules and pay attention to it. Give Hada, hold it in your hand, or hand it over through an agent; When sending Hada to subordinates, Hada is usually tied around each other's necks, and peers send Hada to each other. According to different uses, Hada's sacrificial methods are also different.