This depends on personal taste and demand, mainly to make celery basically stop growing after blanching. Just fry it again. Then there is the ability to remove pesticides. In addition, in order to keep the color of vegetables, or to remove off-flavor, astringency and oxalic acid, some vegetables must be blanched before cooking. But from a nutritional point of view, blanching will increase the loss of water-soluble nutrients. When Chinese cabbage was scalded in 100℃ water for two minutes, the loss rate of vitamin C was as high as 65%. After scalding for more than 10 minutes, vitamin C is almost lost. Therefore, appropriate methods should be adopted to minimize the loss of nutrients.

Celery should not be mixed with the following dishes:

Celery can't be mixed with cucumber. Because celery contains enzymes that decompose vitamin C, eating it with cucumber will decompose vitamin C in cucumber and reduce its nutritional value.

Celery and clams, clams, clams and crabs: Clams, clams and crabs contain vitamin B 1 catabolic enzymes. If clams, clams, clams, crabs and celery are eaten together, the vitamin B 1 contained in celery will be decomposed.

Celery and turtle can't be eaten together. If celery and turtle are eaten together, it will lead to poisoning.

Celery and chrysanthemum cannot be eaten together. If celery and chrysanthemum are eaten together, it will cause vomiting.

Celery and muscle can't be eaten together, because if celery and muscle are eaten together, it will hurt the vitality of the human body, which will cause many diseases.