Temperament is the pattern resulting from interaction of the opposing qualities of elements. When the qualities of these particles act and react on one another, there emerges a new pattern of qualities, which is uniformly distributed throughout the particles of the elements.

Absolute temperament is of two kinds:

a) Balanced Temperament - When the opposing qualities of Temperament are quantitatively exactly equal

b) Imbalanced Temperament - When the qualities of the Temperament are unequal and inclined to one side.

The Unani Physicians give more importance to the concept of Temperament, and it is highly essential for the Physician to keep in mind the individual's Temperament, as accordingly the line of treatment has to be decided

Temperament has to be decided.

The Unani concept of MIZAJ also deals with the following pattern:
= General and specific pattern of species.
= General and specific pattern of race
= General and specific pattern of individual
= General and specific pattern of organs
= General and specific pattern of Temperament
according to the four (age) of LIFE (ASNAN-E-ARBA)
= Besides this it also deals with Temperament of Diet, Drug, Diseases, Humours Habitat and Sex.

The Temperament of the person is expressed accordingly by the words - sanguine, phlegmatic, choleric and melancholic.