The sharp atrophy of Lake Chad and the continuous degradation of meadow had led herders in northern Lake Chad to drive livestock to move south；Because of water resources problems and land problems，herders and farmers in southern Lake Chad bound to be conflict，which led to a series of secondary conflicts. These conflicts include the frequent terrorist attacks as a result of the unrest in Lake Chad providing soil for Boko Haram and the regional humanitarian crisis caused by worsening environment，intense conflicts，and and Boko Haram activities. The COVID-19 pandemic since 2020 had exacerbated the regional crisis and countries in the Lake Chad Region faced huge challenges in national governance.