Intelligence is the general mental ability of living things, which refers to the ability of human beings to recognize and understand objective things and to solve problems by applying knowledge and experience, including the ability to memorize, observe, imagine, think, understand, judge, think abstractly, express ideas, as well as the ability to speak and learn. When considering animal intelligence, the definition of “intelligence” can also be summarized as the ability to adapt effectively to the environment by changing oneself, changing the environment or finding a new environment. Intelligence, also known as intelligence, is the ability of people to recognize objective things and apply knowledge to solve practical problems. Intelligence includes a number of aspects, such as observation, memory, imagination, analytical and judgmental ability, thinking ability, and adaptability, etc. The level of intelligence is usually expressed in terms of intelligence quotient, and intelligence can be assessed through a number of scoring methods to test and evaluate. It is recommended that if you feel unwell, you should consult a doctor in a timely manner, and not to be negligent, so as to avoid delays.