1. Long beans can be fried directly or blanched and then fried. Each has its own advantages.

2. Advantages of blanching and then frying: After blanching the long beans, they will be easier to cook and will not be raw when fried. Moreover, after blanching and then frying, the color will be greener and more beautiful. Many restaurants will use this method.

3. Advantages of direct frying: It is more convenient to fry the long beans directly without blanching them, saving trouble and not wasting water. Many families will adopt this method, and for areas lacking water, it is also suitable for frying without blanching.