Door leaf hooked rabbet and sliding door

The utility model discloses a door leaf hooked rabbet which comprises a first fixing claw, a second fixing claw and a sealing piece, a first clamping strip is arranged on the first fixing claw, a second clamping strip is arranged on the second fixing claw, the first clamping strip and the second clamping strip are oppositely arranged to form a sealing groove, and the sealing piece is arranged in the sealing groove. During use, the first ends of the sealing pieces are arranged in the sealing grooves, the second ends of the sealing pieces are arranged outside the sealing grooves, and when the two oppositely-arranged door leaf hooked rabbets are of the same structure and move oppositely, the two sealing pieces coincide together so as to block a gap between the two door leaf hooked rabbets, and sealing is formed. When the two oppositely-arranged door leaf hooked rabbets are of different structures and move oppositely, the sealing piece included in one door leaf hooked rabbet is clamped into the second installatio