Cold water bathing has certain benefits, it can enhance the body’s ability to resist cold, but also can make the fatigue of the body immediately get excited, but also has some benefits for seborrheic dermatitis. But there are certain disadvantages of cold water bathing, the most common disadvantage is the adverse effect on the coronary arteries of the heart. If you take a bath with cold water, it will cause transient spasm and contracture of the coronary arteries, which will cause sudden ischemia of the coronary arteries, leading to acute coronary artery insufficiency heart disease, and even cause angina and acute coronary syndrome occurs. Bathing with cold water will make the sweat pores and capillaries violently contracted, so some immune system is low or poor cold resistance of the body, if long-term bathing with cold water, will aggravate the wind and dampness of cold into the body, and therefore will increase the chances of rheumatism.