No need. Generally speaking, college students do not need to pay training fees to apply for Putonghua qualification certificate. After registering online, they can take additional exams after paying the exam fee. If you are anxious about your Putonghua ability and want to enroll in a training class, you need to pay the training fee for the training class. Generally speaking, if there is not much problem with Putonghua and you don't need to find a training class, you don't need to pay training fees.