SPA includes facial care, music massage, aromatherapy, lymphatic detoxification, hydrotherapy, mud therapy, ocean therapy, yoga, facial features therapy and so on. With health care, beauty, fitness and comfort as the main purpose, water, color, sound, light, plant aromatic essential oil, dead sea mineral mud and even hot stone as beauty tools, full of human vision (color, natural landscape, go home and see the effect of SPA. Excretion function Under the action of heat, sweat gland secretion is enhanced, a large amount of sweat is excreted, blood is concentrated, water in tissues enters blood vessels, exudates are absorbed, and many harmful metabolites and toxins are excreted with sweat. However, a lot of sweating will lead to a large loss of sodium nitride, making the body feel weak. Therefore, patients should pay attention to sweating during hydrotherapy, because under the action of heat, sometimes the sweat secretion can reach 1-2 liters or more. Metabolism under the action of hydrotherapy, the metabolic process is strengthened, especially during low temperature hydrotherapy. Low temperature hydrotherapy mainly acts on fat metabolism and improves gas metabolism. When it is overheated or supercooled, it can also increase the metabolism of nitrogen and protein, but it can be restored after the action stops. In order to keep healthy and keep a good figure, many factors must be considered, such as adopting a low-calorie diet, exercising, stimulating blood circulation and lymphatic circulation, and relaxing tense muscles, which are all part of hydrotherapy. In addition, water therapy combined with marine therapy of Shanghai algae can also absorb various minerals and rare trace elements through the skin and restore intracellular balance; Through the infiltration and stimulation of lymphatic circulation, toxins are eliminated, which has the effect of sustained recovery of physical fitness. The effect of SPA against stress The natural balance of human body is always threatened by external pressure factors. In order to cope with it, the human body will automatically release a series of neurohormones, which is called adaptation syndrome. The pressure-resistant design of the spa can relieve the pressure.