The utility model discloses a sour ware is disclosed to acid tube, include the sleeve and disclose sour pole, the cooperation mouth with acid tube intercommunication is established to sleeve one end,and the inserted hole is established to the sleeve other end, discloses that sour pole inserts cooperation mouthful and in the intercommunication cooperation mouthful sleeve passageway internalizationwith the inserted hole, establish intercommunication sleeve passageway and the external acid tube that connects on the sleeve, set up defences in the sleeve passageway and end the sealing washer of acidizing fluid outflow inserted hole. The utility model discloses in, disclose sour pole in being equipped with the sleeve internalization that connects acid tube and sealing washer, the sleeve is connected with the acid tube, detaches acid tube dirt and waste residue in stretching into the acid tube when disclosing the activity of sour pole and since acid tube pressure with disclose acidizing fluid that sour pole inserted the production then along connecing the acid tube to flow out and collect, easy operation, the potential safety hazard that still can avoid the acidizing fluid overflow to lead to the fact simultaneously is favorable to improving the work efficiency who handles the acid tube and stop up.