To search the press’ groups , associations, businessmen , sponsor for the site” News-art-culture.com”. Often we are confronted with our saliva, of fluid which enter in composition ,but don’t is ignored his organic function. Why the saliva is important? The role of salivary glands?  The importance of tampon and saliva tests? The saliva is a liquid of  salivary glands situated in oral cavity. The salivary glands are compose of parotids(  pure serosa secretions) submandibular and sublingual(  mixt, serosa and mucosal secretion). Principally the saliva is compose of enzyme and immunoglobulins having  a varies compositions where the water is the principal element( 98-99 %) and organic and inorganic molecule ( electrolytes, mucosa, enzymes, human cellule and bacteria). Our saliva in general have a pH neutral ( 6,5-7,5) which  in day’s course produce a quantity of 0,6-2 liter of saliva. Having more functions and a high content of potassium ions and bicarbonate fight versus immunities deficiency provoked of oral pathogens with the major and minor  secretions of glandes which are controlled  of nervous  parasympathetic signals situated in encephalic trunk. Salivary nucleus are excited by tonsils , tastings stimulus from the tongue , from buccal area  and faring which influences salivary secretion and blood flow of glandes requiring a elevate quantity  of sanguine nutriments. Recent the science  studies  have elaborated importance of the salivary tests for monitoring the oral ways’ health for prevention pathologic status of people.  In same kind we have the salivary tampon, test HIV and test SAR-Cov2.