The utility model relates to a foot soaking treatment bag. The foot soaking treatment bag is characterized in that the bag is a foot-shaped liquid storage bag, wherein a liquid injection hole is formed in the back of the foot-shaped liquid storage bag; a rubber ring which is fitted and sealed with the skin in the ankle position is arranged at the opening of the foot-shaped liquid storage bag; a constraint belt for binding up the rubber ring to enable the rubber ring to be further fitted and sealed with the skin in the ankle position is arranged on the outer surface of the rubber ring. The foot soaking treatment bag disclosed by the utility model can ensure the tightness for drug treatment, effectively reduce drug dosage and avoid volatilization of pungent peculiar smell, avoid serious consequences due to damage and stimulation when the skin is in contact with a toxic therapeutic drug, is convenient to carry and easy to popularize.