The main work tasks of the institute are:

1. Research
2. Academic service
3. Laboratory service
4. Agricultural service
5. Information service and management

The administrative structure of the institute consists of 3 divisions.

1. Administrative Office, responsible for
   • coordination with other bodies within and outside the university;
   • general administrative tasks, procurement, and financial and budgeting affairs;
   • educational quality assurance and internal audit; and
   • supporting and promoting research and academic services, particularly in administrative tasks.
2. Tea And Coffee Laboratory, responsible for
   • overseeing tea laboratory management;
   • establishing laboratory quality system;
   • providing tea testing and laboratory services; and
   • supporting and promoting research and academic services, particularly in laboratory works.
3. Agricultural Unit, responsible for
   • planning, directing, and monitoring the management system of tea genetic plots (Boon Rawd Farm, Mae Korn, Chiang Rai), tea conservation plots, and tea plant nurseries;
   • coordinating with government and private agencies on the agricultural matters; and
   • supporting and promoting research and academic services, particularly in agricultural works.