1, oral communication: such as speeches, reports, discussions and consultations. ;
2. Text dissemination: such as newspapers, magazines, books and leaflets.
3. Visual communication: such as pictures, specimens, objects, models, photos, etc.
4. Electronic media communication: such as movies, television, radio, video, projection, etc.
5. Comprehensive communication: such as administrative legislation, exhibitions, cultural performances, health promotion days, etc.