Abstract: An irrigating & draining apparatus comprises an outer pipe with a plurality of outer-wall irrigating & draining holes. A main waterway is residing inside said outer pipe, wherein a wall of said main waterway comprises a plurality of inner-wall irrigating & draining holes locating in a position higher than said outer-wall irrigation & drainage holes. In comparison with existing technology, this irrigating & draining apparatus will not drive vast number of sand and earth grains into irrigation & drainage holes, which avoids clog.