Itchy fingers before rain may be related to rheumatoid arthritis, allergies, fungal infections and so on. It is recommended that patients go to the hospital in time to clarify the cause of the disease and treat the cause. 1. Rheumatoid arthritis: it is a kind of allergic disease, which is one of the main manifestations of rheumatic fever. Typical symptoms of rheumatoid arthritis, joints localized redness, swelling, heat, pain and other inflammatory manifestations. Patients may also be self-conscious of the symptoms of itching. Treatment mainly includes antibiotics such as penicillin, non-steroidal anti-inflammatory drugs such as aspirin. 2. Allergy: excessive immune response that occurs after the body comes into contact with certain substances. It can be manifested as local or generalized itching, hives, etc. It can also be accompanied by red eyes, runny nose, sneezing and other symptoms. Treatment includes antihistamines such as cetirizine and loratadine. 3. Fungal infections: As the air environment is humid before the rain, patients with low skin immunity are susceptible to fungal infections. It causes particularly itchy fingers before the rain. Treatment mainly includes topical or oral antifungal drugs such as itraconazole. Itchy fingers before the rain is recommended that patients go to the hospital in a timely manner, to clarify the cause of the disease, the cause of the treatment.