Do case analysis papers have to write about an enterprise?

Yes The thesis belongs to practical, empirical or case study type, and should have the application background of enterprises or industries, so case analysis method is often used in thesis writing. Thesis is a Chinese word, commonly used in classical literature, which means to talk or exchange ideas. Nowadays, papers are often used to refer to articles that conduct research in various academic fields and describe academic research results, which are referred to as papers for short.