Although there are purple, black, red, white and yellow varieties, but carrots (Daucus Carota subsp. Sativus) is a root vegetable, usually orange. Carrot is a domesticated form of wild carrot, native to Europe and southwest Asia. The plant may have originated in Persia and was originally cultivated for its leaves and seeds. The most commonly eaten part of the plant is the main root, although sometimes green is also eaten. Chinese carrots are selectively bred for their main roots, which are greatly enlarged, more delicious and less woody.

Carrot is a biennial plant of Umbelliferae. At first, it will grow a rose along with its enlarged main root. The fast growing varieties matured within three months (90 days) after sowing, while the slower growing varieties harvested after four months (120 days). The root contains a lot of α - and β - carotene, and is a good source of vitamin K and vitamin B6. However, the belief that eating carrots can improve night vision is a myth that the British misled the enemy in World War II. About their military capabilities.

According to the report of the food and Agriculture Organization of the United Nations (FAO), the world's output of carrots and radishes (these plants are combined by FAO) was 37.2 million tons in calendar year 2013; almost half (~ 45%) of China's grape cultivation. Carrot is widely used in many delicacies, especially in the preparation of salad, while carrot salad is the tradition of many regional delicacies.