North China
7: Thumb, forefinger and middle finger are extended, and fingertips are close together.
Fujian and Guangdong regions
7: Open your thumb and forefinger, and make the shape of Arabic numeral "7" vertically.
Taiwan Province Province, China
7: Open your thumb and forefinger, and make the shape of Arabic numeral "7" vertically.
Put your little finger up.
In China, it means small, insignificant, clumsy, the worst grade or ranking, and it can also mean contempt; In Japan, it means woman, girl and lover; In Korea, it means wife, girlfriend, or bet; In the Philippines, it means small, young or the other person is a nobody; Express friends and make friends in Thailand or Saudi Arabia; In Myanmar and India, they said they wanted to go to the toilet; In America, it means a coward or a bet.
Put your middle finger up.
Some places in China express "nonsense", and Sichuan and other places use this gesture to express insults to each other; In the Philippines, it expresses anger, hatred, contempt and curse; In the United States, France and Singapore, express anger and extreme unhappiness; Not in Mexico.