Trachyspermum ammi L. (Apiaceae) is commonly famous as Ajwain. Ajwain, Trachyspermum ammi (L.) Sprague is an erect yearly herb with striate stem, India and eastern Persia is the origin of this plant. The most useful element of ajwain is the little fruit like caraway, which always especially admired in Indian delectable recipes, flavorful baked goods, and snacks. In Ayurvedic meds, it is utilized as a restorative plant for its stimulant, carminative, antispasmodic, and tonic properties. Ajwain is grown in arid or partially arid regions where concentration of salts is very high. Ajwain due to its typical odor and sharp tastes is employed in curries as a flavor. Its seed are utilized as flavoring agents in foods as preservatives, for the manufacture of vital oil in perfume industry, in medicine and Essential oil extracted from Ajwain especially thymol helps in relieving cholera. Ajwain seeds are also effective in treating aphrodisiac and premature ejaculation. Among external relieves, Ajwain is effective in treating asthma, delirium, colic earache and rheumatism. Along with the potent antioxidant activity, the Ajwain methanolic extract revealed to exhibit in vivo hepatoprotective activity with 80% defense against an in general deadly dose of paracetamol in pests. The bronchodilatory impact of the decocted concentrate of Ajwain on the asthmatic patients' airways was inspected in an ensuing examination ponders. According to the outcomes, the concentrate has a reasonably bronchodilatory impact on asthmatic airways assessed to the impact of Theophylline at fixations utilized.