The present invention provides a glass assembly, glass container (especially medical glass container) having advantageous water resistance, powder resistance, thermal tolerance, water tolerance, and alkali resistance and manufacturing method thereof. The present invention relates to a manufacturing method for glass container (especially medical glass container), and a glass container manufactured by the method. The aforementioned manufacturing method for the glass container is characterized by comprising the steps of: (1) treating the inside surface of the glass container with silane coupling agent and/or its partial hydrolysate and (2) treating the treated surface from step(1) with amorphous fluorine resin.本發明係提供一種抗水性、抗粉性、耐熱性、耐水性、耐鹼性等優異之玻璃構件、玻璃容器(特別是醫療用玻璃容器)及其製造方法;本發明係有關一種玻璃容器(特別是醫療用玻璃容器)之製造方法、以及以該製造方法所製得之玻璃容器,前述玻璃容器之製造方法,其特徵在於包含有:(1)對玻璃容器之內表面以矽烷偶合劑及/或其部分水解物進行處理之步驟;及(2)對步驟(1)所得之處理表面以非晶性氟系樹脂進行處理之步驟。