An oral gum cleaning device includes a brush handle, a cleaning device, and an accommodating groove. The brush handle has a brush head, the cleaning device is installed on the brush head and has a receiving groove. The accommodating groove is adjacent to the cleaning device, and the accommodating groove is used to accommodate the gum. This creation uses the cleaning device to clean the gum, so the user can clean the inside and outside of the gum at the same time.一種口腔牙齦清潔裝置包含一刷柄、一清潔裝置以及一容置槽。該刷柄具有一刷頭，該清潔裝置係安裝在該刷頭且具有一容置槽。該容置槽係相鄰該清潔裝置，該容置槽係用以容置該牙齦。本創作利用該清潔裝置清潔該牙齦，故使用者可同時清潔該牙齦內部以及外部。
