ABSTRACT
According to WHO in Pakistan above about 150,000 people suffer from cardiac diseases, in 2002 and hypertension is top of the list. Developing country like Pakistan faces sever social, economical and psychological burden as shown in Table 1. Human get affected by its psychology, diet and environment which become source of his health or disease. The Canon of Medicine [Arabic: Al-Qanun fi al-Tibb] is an encyclopedia of medicine in five books compiled by Ibn Sina [Avicenna] and completed in 1025. It presents a clear and organized summary of all the medical knowledge of the time. The Canon of Medicine is based upon the Four Humors of Hippocratic medicine, but refined in various ways. There are four major groups of causes which are responsible in hypertension increase in dryness, hotness, moistness and coldness. When we apply the laws of nature to inhibit the cause like nature do we can hypertension and get cure. Nature always treat the dryness [Autumn/Spring] with hotness [summer], hotness with moistness [Rain], moistness with coldness [winter] and coldness with dryness in the form of seasons. There are specific character of each temperament. In present study patients [n=40] randomly selected in Outpatient Department of Shifa-ul-Mulk Memorial Hospital at Hamdard University, Karachi, Pakistan. These patient according to their temperaments classified according to their temprament. The most common temperament in hypertensive patients was atrabilious [Dry] followed by phlegmatic [Cold and Moist]?