White Hat - is used to collect information known and need to know. White hat thinking is a simple way to seek pure facts and data. These facts and data are proposed in a way in a way, and there is no explanation, as long as the facts are true.
Red cap - symbolizes intuitive and premonition. Red hat thinking is opposite of white hat thinking. It is emotional, feeling, and intra-physiological aspects of thinking, do not need to be explained, do not need to give any reasons or basis.
Black cap - is used to judge, it tells you why a doctors don't work. Black hat thinking is logical, negative, not inductive, and it is not necessarily fair. It does not necessarily agree with our knowledge and experience. It is a critical judgment, a pessimistic attitude.
Yellow hat - symbolic, optimistic way of thinking. Yellow hat thinking emphasizes benefits and value, and is opposite to black hat thinking.
Caps - Creative Thinking: Possibility, Options and New Views. Green hat thinking emphasizes to get rid of old concepts, seek new ideas, and strive to seek change.
Blue Hat - used to manage your thinking process, control your thinking process. Taking this hat is usually a meeting host. Using a blue hat can control us to use a top hat to focus on a certain time, which can greatly improve the efficiency of thinking.