Some people like reading ancient books and Chinese medicine books when they are young. This knowledge and experience can help them better understand and interpret the changes of incense. In addition, some people who look at incense will also know other divination techniques such as reading eight characters, and the comprehensive use of these techniques can also improve their accuracy.
However, it should be noted that there is no scientific basis for viewing incense, but a traditional belief, so not all people who watch incense can be accurate.
First of all, fortune tellers themselves believe in this idea. Anyone who lets others tell their own fortune believes in fortune telling, so it is a breakthrough for fortune tellers to believe in fortune telling; Second, fortune tellers are good at summing up. When talking with fortune tellers, fortune tellers will summarize each other's information and draw some conclusions.
Not only because of the hint of the gods (metaphysics, Buddhism, psychology and other comprehensive reasons), but also because of the magnetic field and energy in physics.
It may be easier to look at and understand this phenomenon from a scientific perspective and improve your understanding of the world.