Greeting card is generated from human social needs. It is a kind of card that people extend greetings with each other in moments of festive date or event. People often send greeting cards on birthday, Christmas, New Year, Chinese New Year, Mother's Day, Father's Day, Valentine's Day and other days. Generally, there are some words of blessing on cards to express wishes.
Greeting card is the emotional communication between people, and such communication is often expressed in short sentences. With the development of the society, different materials and functions of greeting cards are gradually appearing, such as handmade greeting card, music greeting card, pop up card and so on, to express people's hopes and vision.