Paroxysmal pain in the right side of the brain is mainly caused by vascular headache and neurological headache, and the common diseases are mainly the following: 1. Migraine, migraine is mainly a symptom of pain in one or both temporal areas, which can be accompanied by nausea, vomiting, irritability and other symptoms. The acute attack of headache can be triggered by mental and psychological stress and overexertion, and is more common in young people. 2. Insomnia, neurasthenia, depression and other diseases can cause insomnia, and long-term insomnia can cause headache, dizziness, memory loss and other symptoms. 3. Cerebrovascular spasm, if it is long-term mental tension, cerebrovascular spasm on one side can cause insufficient blood supply to the cerebral arteries, and symptoms such as headache on one side can occur. Usually avoid straining, ensure good sleep quality, avoid getting cold, and don’t have too much psychological pressure.