A Cambridge Archaeology personal statement should show how you handle evidence. Focus on one or two specific examples: an artefact, a museum object, a site, a book chapter, a fieldwork experience, a human-evolution question or an ancient-language interest.
The course can include Archaeology, Assyriology, Biological Anthropology and Egyptology, so your statement should make the connection between your interests and the Cambridge course structure. A candidate interested in Egyptology might discuss material culture and settlement, while a candidate interested in Biological Anthropology might discuss bones, DNA, isotopes or human evolution.
Avoid claiming that you have “always loved the past” without showing what changed your thinking. A useful paragraph explains what you read or observed, what question it raised, and how you followed that question further; for Archaeology, that might mean showing how a pot, burial, isotope result, inscription or landscape feature changed the interpretation you first made.