Skin itching at night and not itchy during the day is considered to be related to eczema, scabies and so on. 1. Eczema: for eczema patients, its onset and genetic, environmental, mental and other factors related to the patient’s perception of itching at night is relatively obvious, and busy during the day will not notice the skin itching, so the night will be more conscious of the skin itching symptoms aggravated. 2. Scabies: Scabies is a contagious skin disease caused by the parasitic scabies mite, due to the scabies mite more activities at night, and the female bugs in the skin tunneling will stimulate the skin, thus causing obvious symptoms of night itching. For patients whose skin itches at night but not during the day, it is recommended that they go to the dermatology department of a regular hospital to clarify the cause of the disease and actively treat it under the guidance of the doctor.