River branch float blocking device

The utility model provides a riverway tributary float blocking device which comprises a riverway body and a riverway body located on the riverway body, the riverway body comprises a main stream, tributaries, a river embankment and a river bank, a grid plate is arranged at the junction of the main stream and the tributaries, and a garbage collecting system for collecting tributary floats is arranged on the river bank. The micro-aeration system is used for aerating the branch flow; monitoring equipment and power supply equipment are arranged on the river bank, the monitoring equipment is used for monitoring the garbage collection system and the micro-aeration system, and the power supply equipment supplies power to the garbage collection system, the micro-aeration system and the monitoring equipment. Branch floating objects are intercepted and collected, so that the branch river channel cleaning strength is improved, the river channel environment quality is practically improved, the water area environment is im