食盐亦称盐、咸盐、咸鹾。人们在日常生活中,餐餐饮食必不可少。盐中主要成分为氯化钠,还含氯化镁、硫酸镁、硫酸钠、硫酸钙等多种物质,它不仅是最常用的咸味剂,而且还有多种药用功能。食盐性味咸、寒,具有清热解毒、凉血、润燥、滋肾、通便、止涌吐、抑菌、杀菌等功用,因此, Salt is also known as salt, salt, salty bonito. People in their daily lives, eating meals is essential. Salt is the main component of sodium chloride, but also containing magnesium chloride, magnesium sulfate, sodium sulfate, calcium sulfate and other substances, it is not only the most commonly used saltiness agent, but also a variety of medicinal functions. Salt taste salty, cold, with detoxification, cooling blood, moistening, nourishing the kidney, catharsis, only spit, antibacterial, sterilization and other functions, therefore,