The present invention relates to an medium of solid fermentation for Inonotus obliquus, wherein the medium comprises: a dry portion having the concentration of 40 wt% and a gelatin solution having the concentration of 60 wt%. The dry portion comprises a birch bark having the concentration of 30~40 wt%, a powder of green bean having the concentration of 5~15 wt%, a glucose having the concentration of 5~15 wt%, a potassium dihydrogen phosphate having the concentration of 0.05~1 wt%, a magnesium sulfate having the concentration of 0.05~1 wt% and a composition of chinese medicinal herb having the concentration of 20~50 wt%本發明係有關於一種可縮短白樺茸採收時間之培養基，其至少包括：一乾料部分，其重量百分比濃度為40%，其中該乾料部分包含：重量百分濃度約為30%~40%之樺樹皮；重量百分濃度為5%~15%之綠豆粉；重量百分濃度為1%~5%之葡萄醣；重量百分濃度為0.05%~1%之磷酸二氫鉀；重量百分濃度為0.05%~1%之硫酸鎂；重量百分濃度為20%~50%之中草藥組合物；以及一含膠體水溶液，其重量百分比濃度為60%，並且含有體積百分濃度為1%~5%的瓊脂。
