Whether or not you can have sex with a built-in double J-tube is mainly determined by your physical condition. If you are not in good health, you should try to avoid having sex; if you are in good health and have no obvious discomfort, you can have sex appropriately. Generally do double J tube placement is mainly for urological lesions after surgery, belongs to the drainage treatment, in most cases, after the operation will be accompanied by back pain and discomfort, there may be around the oozing, do not recommend coitus, easy to affect the wound recovery. There are a small number of patients in the placement of time after a long, stable physical condition, there is no obvious symptoms of discomfort, can be appropriate coitus, but be careful to avoid too strenuous. Whether the built-in double J tube can have sex or not, the specific situation needs to be decided according to the patient’s own condition, if there is obvious back pain, fever or even hematuria and other symptoms, you need to consult a doctor in a timely manner, after diagnosing the cause of the disease in the clinic under the guidance of the doctor for standardized treatment, to avoid delays in the condition.