Recurrent eczema generally refers to chronic eczema, the causes of which may be related to heredity, endocrine and metabolic changes, chronic infectious lesions, environmental, mental and other factors. 1. Genetic factors: eczema is genetically susceptible, and if both parents suffer from eczema, the chances of the next generation suffering from the disease will easily increase. 2. Endocrine and metabolic changes: eczema may be triggered or aggravated by menstrual disorders or pregnancy. 3. Chronic infectious lesions: including chronic cholecystitis, tonsillitis, etc., which may lead to eczema. 4. Environmental factors: if you are in a hot, humid or cold environment for a long time, it may make you more prone to the disease. 5. Mental factors: If you are often nervous and under too much pressure, it may induce localized eczema. There are many causes of eczema, and it is recommended that patients go to a regular hospital to consult a doctor to clarify the relevant matters.