1、 The two are different

1. The appearance of cinnamon is slightly different from that of gray. The inner layer is reddish brown, and there will be a yellowish brown line between the two layers. The outer surface color of cinnamon is black brown or dark brown, with gray white spots. The outer layer is gray, the inner layer is reddish brown, and there will be yellowish brown rays between the two layers

2. Different thickness: Cinnamon is about 0.2-0.8 cm thick, while cinnamon is much thinner than the former, about 0.1-0.2 cm thick

3. The smell is different: Cinnamon has a strong aroma, sweet taste and slight spicy taste. The smell of cinnamon is fragrant, similar to camphor pills. It tastes slightly sweet. Thin skin and strong fragrance indicate the best quality

2、 Price

Its price is determined according to the grade, from more than ten to thousands. Generally, what we often see in our daily life is 5-10 yuan per kilogram. The quality and efficacy of this level are general, and the packaging is also very poor. It is mostly used as seasoning and will not be used as medicine. The second level is tens of yuan per kilogram. The color and efficacy are better and can be used as medicine. The third class is 100-300 yuan per kilogram. There are also top-level ones. The price is thousands of yuan per kilogram. Its quality, quality and packaging are relatively good. Most of them are drugs, which are generally sold in grams