Fishing body rashes can be treated by applying drugs and oral medication under the guidance of a doctor. Fishing body rashes may be due to urticaria, eczema, insect bite reaction and other reasons. 1. Urticaria: Urticaria is mainly caused by contact with allergens, if the patient is exposed to allergens while fishing, allergens will lead to the activation of the patient’s mast cells, so that the small blood vessels of the mucous membrane dilation, the appearance of red rash. Oral antihistamines such as chlorpheniramine maleate tablets and cetirizine hydrochloride tablets can be taken to relieve symptoms. 2. Eczema: Eczema is an itchy skin disease, mainly caused by immune abnormalities, genetic factors, etc. Inflammation will lead to skin infiltration reaction appearing red rash. Glycolite lotion can be used externally to relieve itching under the guidance of a doctor, and if the symptoms are severe, short-term use of weak to moderate glucocorticosteroids (e.g. hydrocortisone cream) can be considered to control the symptoms. 3. Insect bite reaction: insect bite reaction is a skin reaction caused by mosquito bites, if the patient is bitten by mosquitoes while fishing, the symptoms of red spots can occur. Minor symptoms of local topical glucocorticoid cream (such as hydrocortisone ointment), internal antihistamine drugs (such as loratadine); lesions generalized, allergic reaction to the heavy short-term oral glucocorticoid (such as prednisone). Rash can also be seen in other causes (such as atopic dermatitis, atopic dermatitis), if the itching and other symptoms continue after appropriate rest, it is recommended to consult a doctor in a timely manner, and comply with the doctor’s instructions to use medication.