This research studies the status quo of credit system implementation in medical colleges and universities in Shandong Province, and finds that there are some problems, for examples, the number of courses can't meet the requirements of the credit system, teaching management is still difficult to adapt to the reform of the credit system, students lack guidance in choosing courses, and course resources are limited. Some suggestions are put forward, such as changing teachers' concept of teaching, intensifying teaching reform, increasing teaching resources input, promoting mutual recognition of credits, strengthening the construction of teaching staff, perfecting academic tutorial system, and constructing a credit system model that conforms to the laws of medical education.