Scrambled eggs with mushrooms will not cause poisoning, but it may cause food poisoning if stored or cooked improperly. The following are possible reasons:

1. Improper storage: If fresh mushrooms or cooked mushrooms are contaminated during storage or stored for too long, bacteria and toxins may breed.

2. Incomplete cooking: If the mushroom ingredients are not thoroughly cooked during cooking, it may not kill bacteria and toxins, resulting in food poisoning.

3. Overeating: Lentinus edodes has certain nutritional value, but eating too much will lead to indigestion and diarrhea.

Therefore, when using scrambled eggs with mushrooms in matching recipes, we should pay attention to the following points:

1. Ensure fresh ingredients: Pay attention to quality when buying ingredients, and try to choose fresh and pollution-free ingredients.

2. Pay attention to hygiene when cooking: Pay attention to hand hygiene and the cleanliness of ingredients when cooking to ensure food safety and hygiene.

3. Thoroughly cook: When cooking ingredients, make sure that they are cooked and heated to a proper temperature to kill bacteria and toxins and prevent food poisoning.

4. Reasonable eating: When eating scrambled eggs with mushrooms, eat them in moderation, and don't overeat to avoid problems such as indigestion.