It is advisable to apply ginger slices to the soles of feet for more than 20 days. You can put it on your feet before going to bed and take it out at dawn. Putting ginger slices on the soles of your feet has a good auxiliary effect on treating colds. It can also be mentioned that losing weight, removing body moisture and improving sleep quality have good effects, which can effectively promote blood circulation of feet and effectively remove odor. You can also soak your feet with hot water before going to bed. Applying Jiang Mo to the soles of feet can effectively warm the stomach and relieve pain, warm the stomach and stop vomiting, and warm the channels and relieve pain, which is especially suitable for patients with dysmenorrhea due to spleen-stomach yang deficiency and palace cold. The specific operation method is: Jiang Mo is directly applied to the skin to exert its curative effect. Its pharmacological action is because ginger is pungent, hot, irritating and volatile. It can penetrate the skin and be inhaled into the human body, thus exerting its efficacy, and can be used as a commonly used external medicine. Generally, it takes 40 minutes for external use. You can apply it twice a day, once in the morning and once in the evening, so you don't need to clean it after application.