The causes of itchy lymph in the neck include the following: 1. Chronic infection: Most likely, there may be chronic infection in the neck, resulting in reactive hyperplasia of the lymph nodes in the neck, which can gradually improve with chronic inflammation, or even have improved. Reactive hyperplasia in the recovery process, can appear itchy feeling of lymph nodes in the neck; 2, skin diseases: usually there are smaller eczema on the skin of the neck, or there are abrasions or wounds on the surface of the skin, which may lead to the above symptoms; 3, respiratory diseases: throat if there is upper respiratory tract infection or lung infection, there may be stimulation, leading to reactive hyperplasia of lymph nodes in the neck; 4, malignant tumors: If there is a relatively rare case of systemic malignant tumor metastasis performance, it can be metastasized to the lymph nodes in the neck, which can stimulate the lymph nodes in the neck in the early stage, resulting in semi-itchy and semi-sore sensation. If the above symptoms appear, patients are suggested to go to the hospital for detailed examination. If one examination fails to clarify, they can be re-examined according to the passage of time and compared at the same time to avoid misdiagnosis and omission.