Urethral catheter bag

The utility model discloses a urethral catheter bag which comprises a first packaging body, a second packaging body and a third packaging body, the second packaging body is internally provided with aheating body, the heating body is used for generating heat to adjust the hardness of the catheter, and the second packaging body is connected with the first packaging body; the first liquid bag is arranged in the first packaging body, and the first liquid bag is filled with first liquid which is used for making contact with the catheter to lubricate the catheter when the first liquid bag is brokenand can transfer heat generated by the heating body. The catheter bag is simple in structure, portable and sanitary, has the characteristics of self-heating, self-lubricating, instant available, convenience and sterility, can provide convenience for medical staff and patients to a great extent, and can ensure that the catheter body can be self-lubricated and softened in the process of taking outthe catheter from the packa