Choke and Kill Manifolds are Important Well Control Equipments Used for Control of Overflow and Blowout of Oil and Gas Well, Implementing Near Balanced Drilling. The Choke Manifold Controls the Casing Pressure, Maintains the Balance of the Downhole Pressure Through Decompression and Flow Opening. The Kill Manifold Can Kill the Well Through Pumping Kill Flow Into The Well in Order to Avoid the Accident and Guarantee the Safety.