Collect in summer and autumn, remove the soil and dry in the sun. Pharmacological effects: The leaching solution of stems and leaves (removing mucus) has a diuretic effect on animals; the excretion of K+, Na+, and C1- also increases, and exceeds theophylline. Nature and flavor "Guizhou Phytomedicine Survey": sweet, cold. Functions and Indications - Wild watermelon seedlings are used to treat wind-heat cough, arthritis, and burns. ① "Jiangsu Phytomedicine": Treat abdominal pain. ② "Survey of Phytomedicine in Guizhou": Treat wind-heat cough. Soup burns. ③ "Handbook of Commonly Used Chinese Herbal Medicines in Northeast China": clear away heat, remove dampness and relieve cough. Usage and dosage Oral administration: decoction, 0.5~1 liang. External use: Grind into powder and mix with oil for application. Selection of prescriptions ① Treat wind-heat cough: 5 qian of okra root, 3 qian of white sugar, decoction in water and take. ("Guizhou Folk Medicine") ② Treatment of acute arthritis: 5 qian to 1 liang of wild watermelon seedlings (2 to 3 qian for fresh product) two). Decoction in water and take. ("Handbook of Commonly Used Chinese Herbal Medicines in the Northeast") ③Treatment of burns caused by decoction: Soak okra flowers in sesame oil, or grind the whole okra into powder, mix with tung oil and apply it to the injured area.