The benefits of drinking boiled water with lemon: 1. It can help to relieve the summer heat, because from the perspective of Chinese medicine, lemon is sweet and sour, so for people who suffer from summer heat, thirst and dry mouth, drinking boiled water with lemon has a good benefit of generating fluid in the mouth and relieving the summer heat. 2. 3, can prevent the occurrence of freckles and chloasma, because lemon is rich in vitamin C, boiled water with lemon supplement vitamin C, in the prevention of freckles, chloasma benefits are very obvious.