Closed Door Soup is a Chinese idiom that refers to the host refusing a guest to enter the door is called letting the guest eat closed door soup. It is used as an object in a sentence, and is used in colloquial speech. Jou originally refers to the thick juice of five flavors, and generally refers to the food that is boiled into a thick liquid. Refers to the host refuses the guest to enter the door is called to let the guest eat closed door soup, from Tang Feng Zhi "cloud fairy miscellany" Volume 1: the following do not meet, to close the door soup to treat.