The utility model relates to a last spare part of using of mechanical equipment, in particular to a buffering baffle for trap, include the first baffle with trap valve body inner wall matched with, it is used for through through -hole that mixes liquid and the centre bore that is used for passing the floater connecting rod to be provided with at least one on the first baffle, first baffle bottom is connected with the second baffle, when the baffle setting is in the trap, the second baffle is deposit room and drip chamber with the inside space separation of valve body, the case of trap is located the drip chamber, through -hole and deposit room intercommunication, deposit room and drip chamber communicate each other for it loops through to mix liquid reentrant drip chamber behind through -hole and the deposit room, impurity concentrate to be collected in the deposit room, can not get into the case of trap, avoid the delivery outlet on the case of trap to block up, also are favorable to the row's of concentrating sediment simultaneously, reduce the manpower and materials that the maintenance inspection process consumes.