i m pakistani and student in china..my dad living in spain ..i want to visit spain...

you can apply for a tourist visa to visit your father in Spain.
Step one: prepare the required documents including your passport and copy of its data page, your residence permit in PRC, the application form, a recently-taken color photo, travel insurance, proof of your financial support, round trip air tickets, accommodation arrangement, and proof of your travel purpose.
Step two: submit your application to the embassy of Spain to apply for it.