The main purpose of foot soak is to inhibit fungus and treat foot odor, but several courses of treatment can not achieve the effect of permanent cure. The foot light is a Chinese medicine, which contains bitter ginseng, talcum powder, salicylic acid, boric acid and other ingredients, the use of this drug soak feet can indeed achieve the role of sterilization and astringent sweat, for the feet of the fungus can play a certain inhibitory effect, for foot odor also have auxiliary therapeutic effect. But there is no cure for this disease. After this foot fungus is cured, the skin of the foot will be infected again after contacting the fungus, resulting in another attack. There is no one-time treatment that can permanently prevent you from getting foot odor. When using Footlight San for foot soak, it should be noted that it is prohibited for patients with blistering and vesicular tinea pedis, for broken skin areas, and for children and pregnant women.