Unani Tibb is the knowledge of achieving perfect physical, mental and spiritual health. The primary goals of Tibb-e-Unani (Unani Medicine) are the maintenance of good health and healing of disease. According to the Unani medicine, there are seven important factors responsible for life of humans on earth called as Umoore Tabiyia, Mizaj is one of the those important Umoor and occupies second place next to Arkan, on which health and disease depend. Health is the maintenance of normal mizaj, any change in the mizaj brings about change in the person’s state of health.

The Descriptions of mizaj by unani physicians are most valuable; they described the concept in details and have given the concept to the best of their knowledge and efforts.