In the case of internship, you only need a F visa (a business visa) which is rather easy to get. Just need an invitation letter from the company and a letter fr

In the case of internship, you only need a F visa (a business visa) which is rather easy to get. Just need an invitation letter from the company and a letter from your university stating that you're a student (the latter is not necessary but helps)... To actually work, then you need the Z visa which is a bit more of a hassle as wisty said...