Neuroinflammation usually branches out peripheral neuritis, clinical symptoms mainly include sensory disorders, motor disorders, autonomic dysfunction, etc. Sensory abnormalities, muscle spasms, thinning or pale and cold skin may occur. 1. Sensory disorder: Early patients with neuritis will have sensory discomfort, such as pins and needles, burning, tenderness, hyperalgesia and so on. With the development of the disease, symmetrical sensory abnormalities of the distal limbs gradually appear, such as hypesthesia or sensitivity. 2. Motor disorders: Early patients may have symptoms of weakened or absent tendon reflexes in the limbs, and in the late stage, muscle spasms will be obvious, and in severe cases, deformities may occur. 3. Autonomic dysfunction: patients may have symptoms such as thinning, pale and cold skin, or rough and brittle nails. If the patients have the above symptoms, they should consult the doctor in time to avoid delay.