1. IQ of 7 or below: mental retardation;
2. IQ 71-85: low intelligence;
3. IQ 86-1: normal intelligence;
4. IQ 11-115: average intelligence;
5. IQ 116-13: high intelligence;
6. IQ of 131 or above: extraordinary intelligence.
It should be noted that IQ test is a relatively rough evaluation method, which can only be used as an indicator to measure intelligence, and cannot fully represent a person's intelligence level. At the same time, intelligence test is also influenced by many factors, such as cognitive development, language ability and cultural background, so the test results need to be interpreted carefully.