The experiment on the shape of energy dissipation for Shanhekou water control project was carried out by hydraulic model. The results show that the exits of two bottom outlet was designed into narrow slit shape of asymmetric rectangle flared gate pier, while the left and right upper outlet adopt the shapes of differential tooth bucket, and the middle upper outlet adopt tongue-typed flip bucket. The optimization scheme with surface and bottom outlet water tongue layering from top to bottom, before and after the open has the lateral diffusion characteristics, so as to improve the flow pattern of water cushion pool,and improve the efficiency of energy dissipation. The dynamic water impact pressure and fluctuating pressure which exerts on the bottom slab of water cushion pool reaches the design requirement.