When stomach pain is caused by oral diclofenac sodium tablets, diclofenac sodium tablets should be immediately discontinued and relief in the form of general treatment and medication should be given. 1. Discontinue Diclofenac Sodium Tablet: When stomach pain occurs after taking Diclofenac Sodium Tablet orally, it is recommended to discontinue Diclofenac Sodium Tablet immediately, and switch to other medications under the guidance of a professional physician. 2. General treatment: patients can take warm water, hot compresses on the stomach, appropriate massage, etc., and pay attention to eating light and easy to digest food, such as millet porridge and so on. 3. Medication: When stomach pain occurs, you can take acid-suppressing drugs or gastric mucous membrane protectants, such as omeprazole or magnesium alumina carbonate under the guidance of the doctor to relieve the symptoms. If the stomach pain continues to be unrelieved, it is recommended to go to the hospital in time, under the guidance of the doctor for treatment.