Anger cramps, where you can’t spread your five fingers, are potentially life-threatening. Common causes include hyperventilation, hysteria, and seizures. 1. Hyperventilation: Excessive opening of the mouth to breathe when angry, resulting in alveolar gas, blood and tissues discharged too much carbon dioxide, causing dizziness and impaired consciousness, numbness in the hands and face, muscle spasms in the limbs and other symptoms. Generally, the symptoms gradually improve after controlling breathing, and there is no obvious danger to life. 2. Hysteria: this disease can be induced when angry, the onset of this disease, patients can appear a variety of symptoms, so can be manifested as cramps, five fingers can not be opened, and other symptoms, there is no obvious basis for objective examination. The disease is generally not life-threatening. 2. Epilepsy: This disease is caused by the highly synchronized distribution of power by neurons in the brain, including primary epilepsy and secondary epilepsy. Emotional fluctuations can trigger epileptic seizures, which can be accompanied by symptoms such as cramps and inability to open the fingers, accompanied by impaired consciousness. Most of them can be relieved within a short period of time, but if the epileptic status quo is life-threatening, anti-epileptic drugs need to be given in time. There may be other reasons for angry cramps, so you need to go to the hospital, improve the auxiliary examination according to the patient’s condition, and carry out systematic treatment after clarifying the cause of the disease.