The study of dielectric properties of biological ma terials is of great assistance in exploring the mol ecular structure and dynamics of condensed matter. Time domain reflectometry in r eflection mode has been used as a technique. A nonl inear least squares fit method have been used to obtain dielectric paramete rs viz., static dielectric constant (ɛ0 ) and dielectric relaxation time (τ) at temperatures 10 0 C, 20 0 C, 30 0 C and 40 0 C of Ayurvedic Medicines. Ayurveda, an ancient Indian medical science, develo ped in close association with natural environment. It is d eeply related to the Indian cultural heritage. Its approa ch is to protect, cure and prolong human life. The bioregula ting principles: Vayu, Pitta and Kapha pervade the whole body, their general seats being the lower, middle and upp er portions of the body. The concept of body purifica tion therapy known as Panchakarma is based on knowledge of the seats. Prana means life in a living being. Pranasakti is n othing but energy called Vayu. This energy or the motive force is derived from the food, liquid and air we take from the external source inside our body. Vayu activates all the processes of the body. Without the activity of the Vayu, life ( prana ) cannot be there. The cell of living plants consists of chemical comp ounds like carbohydrates, proteins, fats etc. Human utili zes these compounds as food matter. There are other compounds like alkaloids, tannins glycosides etc. and these compou nds exert physiological effects and used as therapeutic agents. The medicinal plants and herbal products, products of metals, salts gems and poisons are used for therape utic purposes. Ayurvedic compound formulation are divided into two groups: plant drugs ( Kasthausadhi ), met als and minerals ( Rasausadhi ). Ayurvedic medicines Asava and Arista are made by soaking the drugs either in powd er or in decoction forms in a solution of sugar or jiggery, for a specified period of time. During the specified peri od it undergoes a process of fermentation and generates a lcohol which facilitates the extraction of the active prin ciples contained in the drugs. The alcohol also serves as a preservative. Asavas and Ariatas may use as herbal wines.The Sanskrit names of medicinal plants and metals have been used to indicate the standard names of As ava. For examples, the basic medicinal plants used in th e production of Drakshasava is a Black raisin and Arvindasava is Lotus. The Sanskrit names of Black r aisin (a sweet dried grape) isDraksha and Lotus is Arvind. A sava are prepared by Indian traditional methods and iden tified by their common names. This 'Asava' can be easily absorbed by the body, is curative and lasts long. The solute -solvent biological molecular interactions between Ayurvedic medicines, Asava and associative solvent Ethanol ar e presented in the paper. 2. EXPERIMENTAL