Within 30%. According to the information query of the matters needing attention in the evaluation of national sub-high professional titles, when evaluating the articles of sub-high professional titles, the paper should not be higher than 30%, and it is best to strictly control it below 20%. Thesis title, vice president of senior three, requires to write three papers, each of which should include title, abstract, text and literature review. The paper should have correct language expression, reasonable structure and required length.