This article determined three kinds of raw materials: fiber-core glass、cladding glass、acid-leaching glass and designed the match of the physical and chemical performances of these materials, which directly influence the imaging quality of bundle. The quantitative relationship between the concentration, the temperature, the type and the resolution time of acid are studied to determine a series of suitable technical parameters, which are crucial to decrease the broken rate and improve imaging quality of image bundle. Through a large number of experimental studies, performance tests and theoretic analyses, many effective methods are identified to improve the optical properties of fiber image bundle, which laid a good foundation for wider application.