Six flavors of qi-invigorating water can't be cooked in the pressure cooker. Cooking in a pressure cooker will destroy its nutrition. The materials of Liuwei Buqi Water are Radix Codonopsis, Radix Angelicae Sinensis, Fructus Lycii, Fructus Jujubae, Radix Astragali and Apple, which can be boiled in a health pot. If you don't have an incubator, you can cook it in boiling water for 10 minutes, then pour it into a stew pot and drink it slowly.