Beef with mushrooms can be eaten together, and the two together do not produce harmful components. Beef mainly contains proteins, unsaturated fatty acids, vitamins, cholesterol, and many different minerals such as calcium, phosphorus, potassium, etc., which can replenish the body’s nutrients and maintain normal physiological functions. Shiitake mushrooms are mainly composed of water, sugar, vitamin D, protein, vitamin C, phosphorus, potassium and other trace elements. Shiitake mushrooms also contain dietary fiber, the use of which can promote peristalsis to some extent and help defecation. Therefore, when the two are eaten together, there is no adverse reaction to produce harmful material components. The two together can also provide a variety of nutrients for the human body. Therefore, mushrooms and beef can be eaten together, but it should be noted that if you are allergic to mushrooms or beef, you should avoid eating them.