The invention discloses an auxiliary material-free colostrum secretion tea, comprising semen coicis, common lophatherum herb, setaria italica, prepared semen coicis, malts, rice sprouts, juncus roemerianus and wheat, wherein the wheat is used as a forming agent in the colostrum secretion tea. The preparation method comprises the following steps: weighing the needed Chinese medical herbs according to the prescription of the colostrum secretion tea mixing the Chinese medical herbs except the wheat adding water to decoct for 1-3 times, wherein each decoction time is for 0.5-2h combining decoction liquid and filtering concentrating the obtained filtrate to obtain concentrated liquid medicine with relative density of 1.0-1.3 g/cm<3> crushing the weighed wheat to 15-40 meshes dispersing the obtained concentrated liquid medicine to the crushed wheat and fully drying the obtained crushed wheat loaded with the concentrated liquid medicine and packaging in the needed product form. The auxiliary material-free colostrum secretion tea is particularly suitable for babies who suffer from gastrointestinal heat due to intake of milk products for a long time, and can avoid negative influence on baby bodies caused by intake of cane sugar or other auxiliary agents.
