The face-to-face certificate is actually the same as the correspondence certificate. Face-to-face lectures are mainly aimed at local students who are convenient to attend classes, while correspondence courses are mainly aimed at foreign students who are inconvenient to attend classes. There is a range of fees, but many training institutions collect fees at random, and many of them do not have the training qualifications of public nutritionists, so such training institutions are illegal. Therefore, you must be careful when choosing! I don't know much about Wuxi. Nanjing has a good nutritionist training institution in Xinjiekou Jiangsu Staff Medical University. The teachers there are very good and the pass rate is very high. You can get to know it. 02583303663 www.njyys.cn