Blisters are the medical term for blisters, and blister-like bumps can be the result of diseases such as eczema, herpes sweating, and herpes simplex. 1. Eczema: Eczema patients may have symptoms such as erythema, edema, papules and blisters, which can be seen in all parts of the body, and its formation may be caused by genetic, contact with allergens and mental factors. 2. Sweat herpes: the cause of sweat herpes is not yet clear, may be local allergies, infections, poor sweating and mental factors, mainly manifested as hands or feet blisters with intense itching. 3. Herpes simplex: the cause of the formation of herpes simplex is mostly related to herpes simplex virus infection, low immunity, fatigue and other factors may also trigger the disease. Clinical manifestations of the skin mucous membrane burning, clustered blisters, and the gradual formation of vesicles, may be accompanied by tingling sensation, itching symptoms. There are many reasons for the appearance of blister-like bumps on the skin, and patients are advised to seek medical examination to clarify the cause of the disease.