Alum soaking feet has antiperspirant effect, which can converge skin pores, reduce sweat secretion, and play an antiperspirant role. If the feet are particularly prone to sweating, proper use of alum soaking feet is beneficial to antiperspirant, preventing feet from being wet because of sweating all the time, which is easy to breed bacteria or microorganisms, and the probability of getting beriberi will be improved. In addition, socks are easy to become wet for sweaty feet, leading to wearing. 2 sterilization

Alumen has the function of disinfection and sterilization. If it is used to soak feet, it has a certain killing effect on tinea pedis, which can help to treat beriberi, prevent fungal infection on feet, and promote human comfort. Because beriberi is a very uncomfortable disease, it can cause itchy feet, peeling feet, and even onychomycosis, so proper use of alum to soak feet is conducive to killing beriberi. 3 promoting blood circulation

Soaking feet is beneficial to expanding the blood system of the sole of the foot, thus driving the whole blood system to flow, accelerating the blood flow, warming the whole body, dispelling the cold, enhancing the body's resistance, restoring the body's body temperature, relieving the cold limbs, and enhancing the blood flow of other organs of the body, such as the uterus and lower abdomen, helping to warm the uterus and abdomen, and preventing the occurrence of abdominal pain. 4 improving sleep quality

soaking feet with alum before going to bed at night can improve sleep quality, and regulating meridians and qi and blood through hot foot bath. At the same time, the blood vessels in the foot dilate and the blood volume increases, thus accelerating the blood flow in the head, and timely and adequately supplementing the oxygen and nutrients needed by the brain is beneficial to relieving nerves, relaxing the brain, making the human body in a resting state and helping to fall asleep faster.