This invention relates to an oral cleaning agent and a manufacturing method thereof. The oral cleaning agent comprises chitin with effective concentration； a stabilizer； and a first solvent. This invention can provide better use experience and can provide an easy to carry mouthwash preparation source.本發明係一種口腔清潔劑及其製作方法，該口腔清潔劑包括：有效濃度之幾丁質；安定劑；以及第一溶劑。本發明能提供更佳的使用經驗，且能提供方便攜帶的漱口水製備來源。
