Materials: 1 pomelo (pick round a little, do not choose to have a green color), honey (it is best to use less fragrant honey, so that you can highlight the fruity flavor of pomelo, the amount of roughly half of the weight of the pomelo), half a packet of rock sugar. Practice: 1. first of all to wash the skin of the pomelo, with salt scrub pomelo skin after rinsing, you can use a toothbrush dipped in salt brush. 2. with a knife will be the outer skin of the pomelo peel down, peeling must be thin, try to peel only the yellow part, the white part can be according to their own taste trade-offs. The first layer of pomelo is pomelo skin, which is the essence of pomelo expectorant cough, and then pomelo skin and pomelo flesh between the white flesh, which is the most bitter pomelo, according to their own taste trade-offs. 3. rub pomelo skin with salt, so that the pomelo skin in the bitter taste of the precipitation, and then rinsed with water, this step can be repeated two to three times. 4. put pomelo skin in the water to soak in the water with a little bit of salt, can help to remove the bitter taste, soaking, and soaking, and soaking, and soaking. Help remove the bitter flavor, soak time needs to be longer, can be soaked for a night. Then peeled out of the grapefruit flesh shredded, with a blender can be crushed with a blender. 5. and then put the grapefruit peel in the water to cook for about 10 minutes, cook and then add a little salt, the same to the bitter taste, and finally rinse the grapefruit peel with water and filtered dry. 6. cut the grapefruit peel and pulp puree into a clean, oil-free pot, add a small bowl of water and rock sugar, simmering over medium-low heat for 1-2 hours, simmering until viscous, the skin of the grapefruit is golden brown and shiny. Simmer for 1-2 hours over medium-low heat until thickened and the grapefruit peel is golden brown and translucent, stirring frequently to avoid sticking to the pan. When it cools, add honey and stir well to make honey pomelo tea, then put it into an airtight container and put it into the refrigerator to chill for 3 days before serving. After shredding and marinating, the bitterness on the grapefruit peel has been reduced a lot, and then after boiling, the bitterness will be a little lighter, and after leaving it for a longer period of time, the bitterness will become weaker and weaker. Love sweet, you can put more rock sugar or honey; like the bitter flavor of grapefruit, you can properly peel the skin a little thicker (in fact, a little bitter, the efficacy will be better). Eat as you go, when you want to drink just dig 2~3 spoons of grapefruit tea, and then rinse into the right amount of warm water, mix it well, you can also eat as jam.