A throbbing pain at the top of the left head may be caused by excessive stress, migraine, occipital neuralgia, and so on. Patients can alleviate the symptoms through daily regimen, medication and surgery. 1. Excessive pressure: When the patient is under too much pressure, nervousness and lack of sleep, the phenomenon of throbbing pain on the left side of the head may occur. Patients can pay attention to rest, relax and relieve stress to relieve the symptoms. 2. Migraine: Migraine attacks can occur on the left side of the head a burst of throbbing pain, can be applied to celecoxib, ibuprofen and other pain relieving drugs. If the headache symptoms are serious, you can apply sumatriptan, rizatriptan and other treptan drugs, which is good for headache symptoms. 3. Occipital neuralgia: When the occipital nerve is compressed due to osteophytes, tumors, or viral infection, it may cause pain in the occipital region, the top of the head and other occipital nerve control areas, mostly manifested as throbbing pain on one side of the head. Pain relieving drugs such as celecoxib and ibuprofen can be applied; some patients can be injected at the pain point to block the pain stimulus conduction. When patients experience a bout of throbbing pain on the left side of the head, it is recommended to go to the hospital for diagnosis and treatment by a professional doctor. Drugs should all be used under the guidance of a doctor.