Health is a state of equilibrium of the Dosha, Agni function of Dhatu, mala along with proper functioning of Indriya, Manas and Atma [1]. To treat the disease it is necessary to keep balance between Doshas and to bring back them into their normal condition. Ayurveda had described various tools to diagnose various diseases one of them is Rog and Rogi Pariksha. For Rogi Pariksha there are various parikshas are described like “Dwividha Pariksha, Trividh Pariksha, Chaturvidha Pariksha, Panchvidha Pariksha, Asthavidha Pariksha and Dashavidh Pariksha.[2] Ashtawiddha pariksha is the most significant pariksha among all.[3] Vishamajwara is characterised by Visamarambha (irregular onset) Visama Kriya (alternative feeling of hot and cold) and Visamakala (irregular duration of sufferings) of Jwara.[7] Further in this article Importance of Asthvidha Parikasha w.s.r to Vishama jwara will be reviewed.