It often has difficulties in studying the history ofreligions and beliefs because of the discontinuity of time andsources of material, however, it is necessary because itcontributes to pointing out the historical characteristics andthe movement and development trends that have occurred inthe past. Based on historical sources, survey materials,people’s memories, and research of previous scholars, thisarticle shed a light on the belief of the tutelary deity in HaiPhong in the pre-innovation period (1986) on the basicaspects including beliefs and objects of worship, place ofworship, and the rituals practices of the community.