Blisters on the foreskin should not be broken, as they may lead to bacterial infections and are not conducive to recovery. Excessive stimulation of the penile area or the presence of genital herpes and other reasons, may make the foreskin blisters, no matter what factors caused by the blisters are not recommended to break, because it may be due to improper care, secondary bacterial infections, causing pain, itching, pus and other symptoms, is not conducive to recovery. For blisters caused by overstimulation, local cleanliness should be maintained and excessive squeezing avoided. A syringe can be used to draw out the blister fluid under the operation of a doctor, and then a sterile dressing can be used to apply a pressure bandage. When genital herpes is present, it can be treated with antiviral medications such as acyclovir and ganciclovir. All the above medications need to be aware of the side effects and adverse reactions of the medications, so please use the above medications under the supervision of your doctor. If you find blisters on the foreskin, you should consult a doctor in time. During the treatment, you should follow the doctor’s instructions and use the medication safely and reasonably.