Thymus mongolicus (Ronniger) Ronniger, a small semi shrub plant in the family Lamiaceae, has a short and thin stem with burrs on the surface. It is dark green and has a hollow cylindrical shape; The leaves are relatively large, light green oval shaped, with a smooth and hairless surface; The flowers are small and have a purple polygonal shape, with a deep purple corolla; The seeds are small, black brown in color, and have a hard epidermis; Flowering period from June to July; The fruiting period is from July to August. The name thyme originates from Greece, named after the plant's fragrant aroma, which carries an elegant and rich musky scent. Thyme is native to the Mediterranean region and is distributed in Gansu, Shaanxi, Inner Mongolia, and other places in China. It is mostly found in rocky mountains, slopes, valleys, ravines, roadsides, and near weeds. Thyme is resistant to cold, drought, barrenness, and pests. It prefers warm, sunny, and dry environments and has low soil requirements. It grows well in well drained calcareous soil. The propagation methods of thyme mainly include cutting propagation and sowing propagation. In practical life, sowing propagation is generally more convenient.