a securing structure for a light emitting element at a surface of a shell - like accessory and a manufacturing method for the securing structure are provided . according to an appearance of a handmade accessory , a mold , a positioning tenon and an adapter body are provided . the adapter body is supported and secured by combining the positioning tenon at the mold . with repeated applying operations , a plastic cementing agent is applied at an outer round surface of the adapter body to provide a combining effect . the mold and the positioning tenon are removed after the plastic cementing agent is set and shaped . thus , using an axis and structure support of the adapter body , the light emitting grain installed is capable of securing an angular position of its optical axis as well as enhancing the combining strength .