How many years can H 1B last?

Foreigners with H- 1B visas can enter the United States and work in professional fields for six years. The time limit for H- 1B visa to stay in the United States is three years, and you can apply for an extension of three years after the expiration of three years. During the period of H 1B, employers can sponsor foreign employees with H 1B status to apply for green cards if they want. According to the U.S. immigration law and immigration regulations, holders of H- 1B are allowed to have dual intentions on the issue of immigration to the United States. Therefore, foreign employees are allowed to immigrate to the United States when applying for an H- 1B visa. In addition, during the validity period of H- 1B, H- 1B's spouse and children under 2 1 year old can enter the United States and be allowed to go to school as H-4.