To provide a connector using an empty PET bottle as a toilet which is not bulky for carrying, is immediately formed into a simple toilet by only screwing for connection, can be used without uncomfortableness even in a vehicle when urination is wanted at a going-out site without a toilet around or during a traffic jam, and can be manufactured at low cost.

A cylindrical thread part is equipped on an arbitrarily formable lower part of a funnel shape part. A downward extended inner cylinder is equipped on the inside center of the cylindrical thread part. A plurality of ventilating through holes tilted from the outer periphery wall of the cylindrical thread part inward to the inner cylinder are formed to make urine easily flow from the funnel shape part and eliminate sound. A means to screw a cap screw port at the upper end of the PET bottle together with the cylinder thread part to enable the inner cylinder to be inserted into a PET bottle is equipped.