Jejunostomy tube in the clinic in general does not have a fixed standard retention time, the general situation is about two weeks, depending on the patient’s recovery status and the efficacy of treatment to determine the need for a clear diagnosis before making a judgment. The jejunostomy tube is generally placed into the jejunum nutritional tube, through the abdominal wall and fixed, to carry out the supply of nutritional fluid. The daily care of the fistula is very important to the prognosis, the fistula should be fixed, to prevent turning or moving out of the fistula, regular disinfection of the fistula, after use with saline for rinsing, to extend the life of the fistula, the retention time needs to be under the guidance of the doctor depending on the individual situation. The retention time of the jejunostomy tube needs to be adjusted by the doctor in terms of the patient’s recovery status and related health results, and the patient should standardize the treatment under the guidance of the doctor to avoid affecting the prognosis.