Novel rice seedlings raising dish device, including educate the seedling tray tray, educate seedling tray, no. Two stands, fixed connection board, a stand, an adapter sleeve, no. Two adapter sleeves,educating that the seedling tray tray is inside to have a plurality of seedling tray of educating fixed slots, educating seedling tray fixed slot bottom and have the hole that leaks two numbers, educate that seedling tray is inside to have the hole that leaks one number, educate seedling tray and connect and educate the seedling tray fixed slot, one number a plurality of no. Two stand upper portions of seedling tray tray sub -unit connection on same the central axis, are educated with the hole that leaks for two numbers in the hole that leaks, educate seedling tray tray both sides and pass through set screw and connect a plurality of stand upper portions, and educate seedling tray tray upper portion and pass through a plurality of seedling tray 2 boards of seedling tray 1 connection, the fixed connection board inlays in educating the seedling tray tray, and it is protruding that fixed connection board lower part has a plurality of connections, the connection arch is passed and is educated stand upper portion of seedling tray tray connection, and no. One the stand left side is connected no. One on the adapter sleeve right side.