& ltp registered international dietitian program is organized and implemented by ACI International Certification China Headquarters, and offline computer (computer room) examination is adopted. ACI will arrange test sites in a unified way and supervise the examination. With the unified national examination time, students can apply to training institutions after completing the whole class training and pre-examination counseling. There are four periods in a year, which are in March, June, September and February. The specific examination time is 13:30- 15:30 in the afternoon. The exam lasts two hours. The & ltPACI nutritionist exam has four grades, namely, registered international junior nutritionist (CIPN), registered international nutritionist (CIN), registered international senior nutritionist (CISN) and registered international nutrition expert (CINE), among which registered international nutrition experts have not yet started the exam. & ltp In p2020, 4 1 test sites will be registered as follows: