Want to know things needed from someone who is a citizen in Belgium want to visit him from china

Michael, you can apply for a tourist visa for Belgium to visit your friend there. You need to provide those documents including your passport and its photocopy, the application form, 2 passport-style photos, proof of your residence permit in China, proof of a valid travel insurance policy, language preference form, proof of your financial support, travel itinerary, flight reservation, and an invitation letter from your friend in Belgium.