The functions of dried lemon slices are as follows: 1. Enhance resistance. Dried lemon slices are rich in vitamin C, which can improve the body's resistance and relieve symptoms such as stuffy nose and runny nose caused by colds. Second, detoxification and beauty. Dried lemon slices are sour when soaked in water, which can stimulate the secretion of saliva and gastric juice, promote gastrointestinal peristalsis and accelerate the discharge of toxins in the body. Citric acid in dried lemon tablets can prevent the production of melanin, lighten spots and whiten skin. Third, resolving phlegm and relieving cough. Dried lemon slices contain natural aromatic substances, such as limonene, which can dilute sputum and promote sputum discharge.