It is not recommended to use hot water bags to apply hot compresses to surgical incisions in the abdominal cavity, as it may compress the incision or cause bleeding from the incision. Surgical incisions in the abdominal cavity with hot water bag hot compresses will make the local temperature rise, accelerate the local tissue metabolism, which will increase the local tissue blood supply, may increase the incision oozing or even cause incision bleeding, increase the risk of infection, is not conducive to the healing of the incision. In addition, the hot water bag will inevitably cause pressure or friction on the abdominal cavity and abdominal wall incision, increasing the risk of incision rupture. After abdominal surgery, you can use a lap band to protect the incision, and you can also adjust the room temperature, add blankets or clothing to keep warm, but it is not recommended to use hot water bags to apply hot compresses. The treating physician should be informed of any discomfort and reasonable interventions should be made.