The burning sensation in the fingers for no reason may be due to contact with irritating substances, neuritis, Raynaud’s syndrome and other factors. 1. Contact: In daily life, when the fingers are in contact with strong irritants such as chili peppers and glue for a long time, the sensory nerves may be stimulated, resulting in the phenomenon of hot burning sensation in the fingers for no reason, which can be relieved by washing with water. 2. Neuritis: usually due to metabolic disorders, nutritional disorders, trauma and other factors triggered by the disease. It occurs in the hands, feet and other joints, and its clinical symptoms are mostly autonomic dysfunction, burning sensation and other uncomfortable symptoms. 3. Raynaud’s syndrome: usually due to emotional over-excitement, cold and other factors lead to skin, vascular nerve dysfunction, thus appearing the phenomenon of finger burning sensation for no reason. Finger burning sensation for no reason, may also be related to carpal tunnel syndrome and other diseases, it is recommended that timely medical examination and treatment under the guidance of the doctor, so as not to delay the condition.