The present invention relates to a house inlet with a streamlined trap enabling flow velocity to be quick and, more specifically, enables flow of waste water to be quick in case inflow of waste water is small. The present invention forms a body connection hole connecting a body to an upper side of a main body having a toilet waste water inlet, a dishwater inlet, and a waste water discharge port. Moreover, an internal cap is connected to an upper side of the body, and a streamlined trap is coupled to the dishwater inlet after connecting a lower support to a lower side of the main body.
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