A nervousness and a fever on the body appear prickly sensation is considered to be caused by neurological diseases, mental diseases, skin diseases, etc., to pay attention to, and actively for the treatment of the disease. 1. Neurological diseases: abnormal nerve function, such as autonomic disorders, neurasthenia, etc., these diseases will lead to sympathetic nerve, parasympathetic nerve disorders, abnormal symptoms. This situation can be treated with vitamin B1, vitamin B12 and other nutritious nerve drugs, and ensure adequate sleep and relaxation. 2. Mental illness: Depression, anxiety, bipolar disorder, obsessive-compulsive disorder and other mental illnesses can cause mental disorders, abnormal perception, thinking, behavior and other symptoms. You can use anti-anxiety and depression medication, sedative medication to relieve severe cases, and joint psychotherapy. 3. Skin diseases: Prickly heat, eczema, cholinergic urticaria and other skin diseases will produce irritation and aggravate the symptoms when nervousness and fever occur. Patients should pay attention to reduce the stimulation, keep the skin fresh and clean, can apply glucocorticoid cream, such as dexamethasone cream, mometasone furoate cream and so on to relieve the symptoms. A nervousness a fever body appear prickly feeling can go to the hospital, identify the cause of the disease for disease treatment. If you need to use drugs should strictly follow the doctor’s instructions.