Same-floor drainage system of micro-descending plate

The utility model belongs to the technical field of building drainage, and discloses a same-floor drainage system of a micro-descending plate, which comprises a counter basin drainage port, a double-channel floor drain, a decorative layer drainer and a drainage collector, and is characterized in that the counter basin drainage port is connected with one end of the double-channel floor drain through a drainage pipe; the other end of the double-channel floor drain is connected with the drainage collector through a drainage pipe, the decorative layer drainer is connected with the drainage collector, the drainage collector is connected with one end of the reducing four-way joint, the reducing four-way joint is connected with the drainage main vertical pipe through a vertical pipe joint, and a water seal inserting piece is arranged in the drainage collector. Water in any path of the counter basin water outlet, the double-channel floor drain and the decorative layer water drainer is gathered in the water drainage c