(1) Polygonatum odoratum: mostly cylindrical, slightly flat and curved, without branches. The length is 5 ~ 20cm, the thickness is about 0.5 ~1.2cm, and the color is light yellow or light brown. The whole rhizome of Polygonatum odoratum has a wave-like protuberance, which is translucent and very hard, and becomes soft and can be broken when it meets water.

(2) Polygonatum sibiricum: The rhizome is irregular cylindrical or conical, one end of the rhizome is relatively large, and there are many short protrusions and small pieces on the rhizome, which collide like the head of a chicken. There are also many basal marks on the rhizome of Polygonatum sibiricum, which are 3~ 10 cm long. The color is generally yellow-white or yellow-brown, and there are thousands of colors inside the rhizome, which are hard and dry.

2. Different in nature.

(1) Polygonatum odoratum: a slightly cold Chinese herbal medicine, sweet in taste, entering lung and stomach meridians.

(2) Polygonatum sibiricum: It belongs to lukewarm medicinal materials, and belongs to spleen meridian, lung meridian and stomach meridian, with sweet taste.

3, the effect is different.

(1) Polygonatum odoratum: It has the effects of yin beauty, promoting fluid production to quench thirst, nourishing yin and moistening dryness. Commonly used for symptoms such as lung heat, dry cough and dry throat, it can also strengthen the heart, improve human immunity and resist aging.

(2) Polygonatum sibiricum: It can nourish and strengthen people's bodies, and also has the function of inhibiting germs. It has a good curative effect on diabetes, hypertension, spleen and stomach weakness and lung deficiency cough.