Head swelling and fever are usually seen in febrile diseases and vascular headache, which may be accompanied by a series of uncomfortable manifestations such as nausea, vomiting, etc., and need to be identified and treated promptly. 1. Head swelling and fever should be excluded from febrile illnesses such as intracranial infection meningitis, which may present with nausea, vomiting, optic papillae edema and other intracranial hypertension manifestations. Elevated body temperature can cause brain cell edema, which can cause headache and head swelling, and need timely anti-infective cooling treatment can be effectively relieved. 2. If the patient’s measured body temperature is not high, but only the occipital swelling and fever, need to consider the possibility of vascular headache. This is a kind of throbbing headache, you can take antipyretic drugs to relieve the symptoms. Therefore, head swelling and fever can also be seen in pyrexia, intracranial space-occupying lesions, such as tumors, etc., according to different situations to take different means of treatment.