Yellow water after total hysterectomy may be caused by postoperative infection, but also may be due to vaginitis, fat liquefaction, it is recommended that patients should first clarify the cause of the disease and then do the appropriate treatment. 1. Post-operative infection: If the incision is infected, the patient can use mupirocin ointment, erythromycin ointment and other drugs under the guidance of the doctor to alleviate the treatment, if the symptoms are more serious, you need to go to the hospital for incision and drainage and other ways of treatment, and if there is an infection in the abdominal cavity, you should also go to the hospital for the corresponding anti-infection treatment. 2. Vaginitis: If the patient suffers from bacterial vaginitis, it is recommended to use drugs such as metronidazole as prescribed by the doctor. If it is fungal vaginitis, you can use fluconazole, itraconazole and other drugs under the guidance of the doctor for corresponding treatment. 3. Fat liquefaction: If the patient’s abdominal wall fat is thick, it may lead to fat liquefaction during the healing process, and it is recommended that the patient can use high-sugar sodium, saline and other drugs under the guidance of the doctor for flushing treatment, and go to the hospital for drainage treatment if necessary. It is recommended that patients follow the doctor’s instructions when using drugs, do not use unscientific methods, so as not to cause aggravation of the condition.