Hai Phong city known as a point of triangulate development on North Vietnam (included Ha Noi- Hai Phong- Quang Ninh). However, the city also belongs to the region with many typhoon attacks every year (about 31 percent of total typhoons attack to Vietnam coast). Therefore, to prevents damage from natural disaster in the present and the future. This paper shows some study results what applied to consolidate dyke system, together with expand mangroves tree in the coastal zone. These activities in order to cope with climate change, preventing natural disaster.