Lambda is the common name for epilepsy. There are various symptoms of epilepsy, and different types of seizures behave differently. 1. Partial seizures (1) Simple partial seizures: manifested as twitching or numbness or pins and needles sensation of one side of the eyelids, corners of the mouth, hands or toes; flushing of the face and the whole body, profuse sweating, standing hair, pupil dilatation, and the feeling of wanting to urinate, etc.; and various kinds of memory disorders, affective disorders, illusions, and complex hallucinations. (2) Complex partial seizures: manifested by blurred consciousness, repeated pouting, chewing, licking the tongue, teeth or swallowing, repeated rubbing of the hands, constant dressing, undressing, wandering, running, opening and closing doors without a purpose, riding in a car, talking to oneself, shouting, singing, etc. 2. Generalized seizures (1) Tonic-clonic seizure: It is characterized by tonic contraction of muscles of the whole body, loss of consciousness, cyanosis and violent flexion twitching. (2) Tonic seizure: there can be a violent spasm of contraction of the skeletal muscles of the whole body, accompanied by autonomic symptoms such as pallor, in a standing position can fall down violently. The seizure lasts for several seconds to tens of seconds. (3) Loss of consciousness seizure: a sudden and brief loss of consciousness and interruption of the ongoing action, eyes staring blankly, and not being able to respond to the call. (4) Myoclonic seizure: It is characterized by rapid, brief, electric shock-like muscle contraction. (5) Dystonic seizures: a sudden decrease in muscle tone in part or the whole body, resulting in a drop of the neck (nodding), opening of the mouth, drooping of the limbs (falling with an object in the hand), or a fall or a sudden collapse of the torso with a loss of tension. When the above symptoms occur, it is recommended to seek prompt medical treatment.