Chinatown in San Francisco starts at around 1850. Chinese workers who developed the west coast of the United States came to a foreign country at that time, and they were unfamiliar with the language, so they lived together, United and helped each other, and shared weal and woe. At first, they set up small teahouses and restaurants convenient for workers in China, followed by tofu shops and laundries, and gradually formed a living area for workers in China. Later, more and more local people frequented here. They called it "China City" and fell in love with the China food here.

Later, "Chinatown" became a bustling street. Besides the catering industry, embroidery and China antiques are also famous locally. At the same time, a school has been set up in Chinatown for Chinese children to engage in Chinese education. There are also various hometown associations, clubs, theaters and so on. Become a special block with China national characteristics. During the Spring Festival, there are dragon lanterns and lion dances here. Except for the old year, the traditional customs of China have been preserved. In fact, Chinatown covers many parts of the world, but some places don't call it that. San Francisco Chinatown is the largest Chinatown on the west coast of the United States and the largest Chinese community outside Asia. It has the longest history and is home to nearly100000 overseas Chinese. In the United States, almost every large and medium-sized city has Chinatown. Chinatown occupies a very important position in the history of Chinese immigrants in the United States. Chinatown is the turning point or entrance for many China people to enter the United States.