Stinging sensation on the skin at night may be caused by dry skin, contact dermatitis, cholinergic urticaria and so on. 1. Dry skin: when the patient’s skin is too dry, the skin will be dry and cracked, and contact with some possible chemicals such as shower gel and skin care products after taking a bath at night may lead to the manifestation of tingling sensation on the skin. 2. Contact dermatitis: The tingling sensation on the skin at night may be caused by contact dermatitis, contact dermatitis is generally an inflammatory reaction caused by the human body coming into contact with irritating or sensitizing substances. If the patient is allergic to bedding, the symptoms of tingling sensation in the skin at night, accompanied by itching, will occur. 3. Cholinergic urticaria: Stinging sensation at night may be caused by cholinergic urticaria. Usually appear in the evening after heat or exercise, the patient will also be accompanied by itching, prickling sensation, some patients with acetylcholine systemic reaction, such as headache, pupil narrowing and spasmodic abdominal pain, diarrhea and other symptoms. When the patient has the symptom of tingling sensation on the skin at night and is accompanied by other discomforts, it is recommended to go to the hospital in time.