Please what type of U.S. visa can I get. I really need a visa please

For temporary stays, you can apply for tourist visas, student visas, work visas

If you're looking at a long term stay, you can get family-sponsored or employment-based visa

If you're migrating from a country with low immigration rates to the U.S, a Diversity visa would be a really good option.

You should speak with an immigration attorney as application for visas differ based on various factors