In the ancient world, magic and magical practice was in fact hugely common between people and within the society, different types of magical material has been proved to be importent instrument during those mysterious events. But how we see those ancient materials and how we read them is still one of the key questions that we cannot answer with our modern understanding. Yet, it is not totally impossible to try to solve this type of question. This study will be concerned with ancient amulets from the Roman world, and the time period will draw on the imperial period in ancient Rome. The amulet can be categorized into different types, depending on what subject and motives they are focusing on, for example, amulet to protect mothers during the childbirth is one of the common type of protecting amulet for women, because mortality rate for both mother and the child was extremely high during the ancient period; there’s even amulets that protect people from evil spirits, such as the evil eye, which will be explained in one of the chapter. In this case, this study will be focusing on one type named “bullae”, which is speculated to be used only by roman children. It will be interpret with ancient literature and modern researches, so we may be able to investigate a part of how and why ancient people were using magical materials in their common life, also what it could tell us about the society of ancient Rome, and at last, in which ways do we know that this type of thing can be recognize as “amulet” instead of other types of jewellery.