You can’t eat crab after a cold for the following reasons: First, you can’t eat crab after a cold, crab is nutritious and contains a lot of fat, carbohydrates, protein, cholesterol, vitamin A, vitamin E, calcium, magnesium, iron, zinc, potassium and other vitamins as well as minerals. However, its nature is cold, helps phlegm generation, is not conducive to the improvement of cough after a cold. You can’t eat crabs after a cold to avoid aggravating the burden on the spleen and stomach, affecting the recovery of colds. Secondly, the cold sense of taste is relatively slow, the function of the spleen and stomach is reduced, you should eat a light diet, pay attention to drinking water to accelerate the body’s metabolism. Thirdly, if you have chest tightness after a cold, you can eat figs, which have the effect of clearing phlegm and regulating qi. It is recommended not to eat high-protein, high-energy food after a cold, to eat a light diet, and go to the hospital in time after the symptoms.