A series of analytical methods for glyphosate "Nanlin Z" production have been investigated and selected which include the methods concerning content determination of the chemicals used for synthesis of chloromethanephosphonyl dichloride, intermediates (such as chloromethylphosphonic acid. C1-ion) and glyphosate in end products. All these methods are reliable and proved to be adoptable for glyphosate "Nanlin Z" preparation process.