It is double shot hen casserole. The king carries a gun and vigorously soup refers to the local saying that the old hen carries a gun to play a nourishing effect, the scientific name is double gun hen pot, as one of the local famous food in Gongyi. The dish mainly includes iron stick yam, cow punch, the main ingredient for the old hen (hen more than about 400 days above is called old hen), the main ingredients for the Chinese herbs, set of party ginseng, Chinese wolfberry, jujube, suitable for middle-aged and old people, pregnant women, postpartum recovery to eat.