[Lei Xue said] When used, for every one tael of the herb, stir-fry it together with one tael of glutinous rice until cooked. Remove the glutinous rice and use only the herb. There is also a method where it is boiled in salt water.
[Li Shizhen said] When used, wash Coicis Semen (Yiyiren, 薏苡仁) with water to moisten it, remove the calyx and fibrous membranes, take the outer thin skin, dry it in the shade, cut it finely, mix it with rice vinegar, stir-fry, and then use it in prescriptions. There are also methods of honey-stir-frying or honey-roasting.
[Li Shizhen said] When used, select hard-shelled Vigna angularis seeds (Bian Dou, 扁豆), stir-fry them with the skin until cooked, and then use them in prescriptions. There is also a method of soaking them in water, removing the skin, and using them raw, depending on the specific prescription.