Gann theory has always been one of the most important technical theories that the investors should study and master in their investing carrers since half a centry ago.

This theme have been discussed and researched enthusiastically by the domestic and abroad economic circles, with the result that some influential and classical theories have produced in the economic circles, such as distribution and growth theory of classicism, distribution and growth theory of neoclassicism, distribution and growth theory of post-Keynesianism and distribution and growth.

Therefore, we have to get rid of the interference of the Chinese way of thinking and grasp “くれる”、 “めげる” based on the Japanese linguistic custom, directionality of the give-accept verb and favor interest.