It is not recommended to eat crabs when you have a cold and cough, as crabs are cold foods, and too much of them can induce the aggravation of cold and cough symptoms. When the patient has a cough due to a cold, you can eat some fruits that moisturize the lungs and relieve cough, such as pears, apples, oranges, oranges, cherries and so on. At the same time, it is recommended to eat more fresh vegetables, which can provide rich minerals and vitamins, improve the patient’s immunity and promote the recovery of the disease. If the patient’s cough symptoms are more serious, you can take oral cough medication, and at the same time actively seek medical attention, improve the relevant examination, to clarify the causative microorganisms of the infection, and give appropriate treatment.