Low-salt diet means that the daily available salt is not more than 2g (about one toothpaste cover, containing 0.8g sodium) or soy sauce 10ml/d, but natural sodium chloride in food is not included. It is mainly suitable for patients with heart disease, nephropathy (acute and chronic nephritis), liver cirrhosis complicated with ascites, severe hypertension and edema. Pickled products, such as pickles, preserved eggs, ham, sausage and dried shrimps, are prohibited. The above is an encyclopedia introduction! Do you think it is necessary? ! It is the best way to explore the method that suits you slowly in fitness. This is a step-by-step process, I hope you can stick to it! Come on!