A tourist visa (L visa) is issued to foreigners traveling to China for leisure, sightseeing, visiting friends or relatives. It usually allows short-term stays, often up to 30 days. A business visa (M visa) is intended for visitors engaging in commercial or trade activities such as attending meetings, exhibitions, or negotiations. The business visa may allow single, double, or multiple entries depending on your needs. Both visas require proof of purpose—tourist visas need travel itineraries and hotel bookings, while business visas require an official invitation letter from a Chinese company or trade fair organizers.