Soaking feet in salt water every day is not suitable for everyone. Certain specific conditions are not suitable for soaking feet, such as severe cardiovascular and cerebrovascular diseases, diabetic feet, foot skin infections or breakouts, or suffering from ringworm of the feet, etc., which are not suitable for soaking feet in salt water so as not to aggravate the condition. In case of yang deficiency, the typical manifestation is that the lower half of the body is obviously afraid of cold, and using hot salt water to soak the feet can warm yang qi and warm the lower limbs, thus improving the symptoms of cold. Using hot salt water to soak feet can also help reduce muscle tension in the lower limbs, relieve fatigue in the lower limbs, and reduce the discomfort and tiredness caused by muscle tension. However, it should be noted that there may be some disadvantages of using salt water to soak feet regularly. If the concentration of salt water is too high, and a long time soaking feet may lead to foot tissue edema, and even affect the blood circulation of the feet. If there is any discomfort, it is recommended to consult a hospital in time, under the guidance of a professional physician to avoid delaying the condition!