It is 7-Eleven (the notation in the trademark is: 7-ELEVEn). 7-Eleven was founded in Dallas, Texas, in 1927, and was originally named Southern Company.

The original business philosophy of 7-11 was to still provide retail services during non-normal business hours (7 p.m. to 11 a.m. the next day). Now it has developed into a 24-hour retailer. . Stores are located in the United States, Japan, mainland China, Singapore, Taiwan, Malaysia, Philippines, Sweden, Mexico, Panama, Norway, Canada, Australia, Indonesia and other countries and regions.

The official trademark of 7-11 is "7-ELEVEn", in which except the n at the end is lowercase, the rest of the English is in uppercase; the reason for this design is that in Chinese areas (especially Taiwan) ) is said to be due to Feng Shui factors (the last stroke of the capital N is outward, which means that money will be dispersed, while the ending of the lowercase n is inward, which means that it will attract money in), but the official statement is that this design is in It existed during the Southern Company period, and the original designer only created this trademark because of aesthetic issues. However, the inference drawn from an interview on the Japanese TV entertainment program "King of Miscellaneous Studies" on February 4, 2009 was that "maybe it was Trademark law does not allow general nouns (here, numerals) to be registered as trademarks." Many folk sayings are: the lowercase n is to remind customers that eleven is night time.