1. 1-2 grams of green tea, 3-5 grams of guahua, 3 grams of licorice. Add Guaouhu and licorice to 600 ml of water, boil for 5 minutes, add green tea, and boil for 3 minutes more. Take one dose daily, drink it slowly in two doses, or two doses daily if necessary. 2. 500 grams of fresh lobelia or 125 grams of dried lobelia. Decocted in water and divided into several times, one dose per day, to treat pleural fluid of lung cancer. 3.Green tea 1-2 grams, sweet almond 5-9 grams, honey 25 grams. Add sweet almond to 600 ml of water, boil for 15 minutes and then add green tea and honey and boil for another 3 minutes. Drink 200 ml each time, once every 3-4 hours. 4. 1-1.5 grams of green tea, 10-15 grams of asparagus, 3 grams of licorice and 15 grams of honey. Decoct in water and take several times, one dose per day. 5.Green tea 1-1.5 grams, dandelion 15-25 grams, licorice 3 grams, honey 15 grams. Decoction with water, take in multiple doses, one dose per day. 6. 1-2 grams of green tea, 5-10 grams of Scutellaria baicalensis, 5 grams of licorice. The latter two add 500 ml of water, boil for 15 minutes, then add green tea can be taken, one dose per day, divided into three times, served warm.