This paper put forward a new concrete superimposed slab with connections to solve the problem that the prefabricated layer of two-way slab is difficult to be hoisted and transported if it is too big. In order to study the bearing capacity of the new slab, this study first conducted a uniformly distributed load experiment on the new slab in the range of elasticity, and then conducted a destructive experiment in the condition of the concentrated load compared with the superimposed one-way slab. The major contents include the deflection, reinforcement strain, concrete strain variation with the load and crack development. The uniform loading comparative experiment indicates that the new slab has high loading capacity. The destructive concentrated loading comparative experiment shows that the new slab has good two-way loading capacity. It shows that this new slab has good loading capability and is easily hoisted and transported, so it is worth popularizing this new slab structure.