An Yb∶YAG surface-doped ceramic slab laser with laser diode end-pumped is reported,and the output characteristics of it are researched.The laser output model of surface doped Yb∶YAG ceramic slab is established and the output capability of Yb∶YAG ceramic slab is theoretically analyzed.In the experiment of laser oscillator,the frequency pump pulse width and of the pump are 2 Hz and 1ms respectively.When the total energy of a single pulse reaches 10 J,a single pulse laser output of 3.035 J is obtained,with the optical conversion efficiency of 30.4 % and the maximum slope efficiency of 42.0 %.