What are the requirements for applying for a visa to the United States?

Legal subjectivity:

The materials required for a U.S. tourist visa are: a passport valid for more than half a year for personal reasons and 5 years, a recent color bareheaded photo of 51x51 mm within 3 months, background required It must be white with ears exposed, and the electronic version of the digital photo must be stored on a USB flash drive or CD and brought with you. Original ID card, original household registration booklet and original marriage certificate.