A hydrogen storage apparatus includes a canister and at least one hydrogen storage unit. The canister has at least a hollow rod. The hydrogen storage unit is disposed in the canister. The hydrogen storage unit includes a housing, a heat-dissipating channel and a plurality of heat-dissipating partitions. The periphery of the housing is configured with a plurality of grooves, and each groove has a plurality of first holes. The heat-dissipating channel is located within the housing. Each heat-dissipating partition has a plurality of second holes and connects to the housing and heat-dissipating channel. The heat-dissipating partitions divide the space inside the housing. The first holes and the second holes connect to the inner space of the housing.