1. First, wash the four kinds of medicinal materials with water and put them into the Qiongzhen Ganoderma lucidum health pot. 2. Add half the water to the pot. If there is no pot, you can cook it in a casserole and soak it in warm water for 20-30 minutes before cooking. The best time to take siwu decoction. A formula provides a prescription for the ingredients of a substance (such as medicine, mixed coffee, caulking filler).