Have credits. According to China Education Cadre Network College, teachers have credits after studying in China Education Cadre Network College, because credits are the measurement units used to calculate students' learning volume. Calculated by semester, the specific achievements of each course and practice link shall be subject to the provisions of the professional teaching plan. Credits can be used to judge the breadth of knowledge learned by students during their college years. The more credits students get, the more things they learn. In some universities, credits have also become an important criterion for evaluating students' Excellence. Certificates are documents issued by institutions, schools and organizations. This shows (or helps to judge) things, so there are credits later.