PROBLEM TO BE SOLVED: To provide a water collection sheet for elevated culture used as a drainage member in an elevated culture device, easily transported and set up, less liable to cause slackness and excellent in drainage. SOLUTION: The water collection sheet for elevated culture has lower ends of respective two pieces of a long-size film or sheet longitudinally superposed on each other are continuously and longitudinally joined to an upper end of a flexible belt-state rib part having higher rigidity than that of the film or the sheet and having a width of≥1 mm so as to form the cross section in the width direction into a Y shape. COPYRIGHT: (C)2005,JPO&NCIPI