The graduation certificate of self-study examination is printed with the name, ID number and certificate number of the graduate, as well as the information such as the major and education background of the graduate, and stamped with the seal of the Higher Education Self-study Examination Committee and the seal of the college where the examiner is located. The state recognizes Xue Xin's self-taught diploma. Com is searchable, high in gold content and recognized by most countries in the world.