Remove the stems and rinse the mushrooms. Slice the green onion.
Remove the head and line of the shrimp and rinse.
Heat a wok with oil, add mushrooms and scallions and stir-fry until fragrant.
Add some light soy sauce and vinegar and stir well.
Pour in proper amount of water and bring to a boil over high heat.
Put the noodles in and spread them with chopsticks to prevent them from sticking together.
Add the shrimp and cook for about 2-3 minutes over high heat. The noodles have no white core and are done.
Taste the salt of the noodle soup before cooking. Add more salt if it is weak. If you have some chopped green onion, sprinkle it in and stir well and serve as soon as possible.
1 not sure whether the noodles are cooked, you can clip a broken noodle to see if there is a white core inside, no. 2. The noodles are easy to absorb the soup and then swell up, which not only tastes bad, but also makes the noodles dry.