Generally speaking, it is difficult to damage the liver with a slap. Liver is a substantial organ, when it is hit by serious external force, it is easy to develop rupture disease, causing liver rupture, or liver contusion, and in serious cases, it will lead to complete rupture of the liver. However, the liver also has the protection of ribs, palm force because the force area is larger, for the local pressure is not large enough, it is difficult to make the liver damage, the specific still depends on the size of the external force. It is recommended that patients pay attention to observation, if there is swelling and pain in the right upper abdomen, dizziness and weakness, nausea, vomiting, limb pain and weakness and other symptoms, should promptly go to the hospital for standardized examination and treatment. If you are really worried, you can also go to the hospital to do ultrasound examination to clarify, try to ensure personal safety.