Male penis foreskin blistering and itching is mainly considered to be related to glansitis, glans eczema and genital herpes and other diseases. 1. glansitis: can be associated with staphylococcus aureus, pseudofilamentous yeast, mycoplasma and other infections, but also due to long-term friction of the glans or local urinary stimulation and other causes of inflammation. It can be manifested as blisters, itching and other symptoms on the foreskin of the penis, and can also be accompanied by redness, swelling, ulceration and pain on the glans. 2. glans eczema: mainly related to contact with allergens, decreased immune function, glans eczema can cause blistering and itching symptoms of the foreskin, and in severe cases, it can also aggravate the lesions, pustules and other symptoms. 3. Genital herpes: mostly related to unclean sexual behavior, caused by herpes simplex virus infection, can be manifested as blisters, ulcers, vesicles and other symptoms around the genitals, can also be accompanied by pain, itching. Male penis blisters on the foreskin itching may have other reasons, should be timely consultation to identify the cause of active treatment, so as not to delay the condition.