The sialolith is a calcified mass with laminated layers of inorganic material. It results from the crystallization of salivary solute. It is yellowish white in color, single multiple, may be rounded, ovoid or elongated having the size of 2cm or above or more in diameter the minerals are various forms of calcium phosphate like hydroxyapatite octacalcium phosphate etc. calcium and phosphorous ions are deposited on the organic nidus, which may be , desquamated epithelial cell , bacteria , foreign particles or products of bacterial deposition ,it is said that the sialoliths grow at the rate of 1mm per year, which may form in the parenchyma or the duct of the major or minor salivary gland about 90 percentage of sialolith forms in the submandibular salivary gland, its treatment part is too vast and can be treated conservatively and as well as by the surgical methods at the advanced stages of salivary diseases