Libitun (lamotrigine tablets), its indications is epilepsy: single drug treatment for children over 12 years old and adults: 1. Simple partial seizures 2. Complex partial seizures 3. Continuous generalized tonic clonic seizures 4. Primary generalized tonic seizures- At present, it is not recommended to treat clonic seizures with single drug for children under 12 years old, because the corresponding data of the control test for this kind of special target population has not been obtained. Add on therapy for children and adults over two years old: 1. Simple partial seizure 2. Complex partial seizure 3. Secondary generalized tonic clonic seizure 4. Primary generalized tonic clonic seizure this product can also be used to treat epilepsy with Lennox Gastaut syndrome.