Red seal refers to the seal stamped with red ink on the official seal and private seal, which is a proof tool with special legal effect. In China, the official seal is the official seal of state organs, enterprises and institutions, and the private seal is a personal seal. Both of these seals have sealing function and have different uses. The red seal often plays an important role in the signing of important documents and contracts. Once stamped, it means that the matter has been agreed and has legal effect.

The red seal also has a profound historical and cultural origin in China culture. In ancient times, red was a symbol of happiness and auspiciousness, and the seal has been an indispensable tool for literati since ancient times and is regarded as a symbol of character and status. Scholars often use their seals to prove their pursuit and attitude towards culture, and even use seals to represent their identity and status.

Nowadays, in the era of electronic information, the form of red seal is constantly updated. Some enterprises usually upload the company's electronic signature to the electronic platform, and use the corresponding password to authorize the signature when it is needed. This way is more convenient, faster and has the same legal effect. Although the Red Seal has taken a new form, its solemnity, legal effect and significance of cultural inheritance are still deeply rooted in people's hearts and become a way to show China's cultural traditions.