Blisters on the feet are mostly due to the movement of squeezing and friction, the blisters can subside on their own, it is not recommended to pick them out. If a blister on the foot is broken, you need to deal with the situation accordingly, if the blister is small, you can disinfect the bandage, if the blister is large, or the liquid is not completely out, it is recommended to consult a doctor to deal with. If the blister is small, the fluid in the blister is completely out, and the situation is not serious, you can apply iodophor locally to disinfect, and then use band-aids and sterile gauze wraps to avoid continued friction or infection. If the blister is large and the fluid does not flow out completely, the patient is advised to consult a doctor, first draw out the fluid then disinfection treatment, you can follow the medical advice to apply boric acid solution externally, after that apply fusidic acid cream, clindamycin phosphate gel to apply treatment, use medical gauze to wrap locally to prevent infection of the wound. Patients should pay attention to keep the local area clean and dry after treatment, avoid stimulating the wound by soaking the feet in hot water, and avoid repeated rubbing of the affected area during treatment. It is recommended to wear light and breathable cotton socks, shoes should not be too tight and minimize activities to avoid triggering pain or recurrence. Note that no spicy food should be consumed in the near future, and take appropriate protein and vitamin supplements to facilitate wound recovery.