Pine nuts should not be eaten for cold and cough because the surface of pine nuts is smooth and coated, so it is better not to eat pine nuts for cold and cough because they may cause choking and throat discomfort. Moreover, pine nuts are rich in oil and may cause gastrointestinal discomfort in patients with colds and coughs, causing diarrhea, bloating, abdominal pain and other gastrointestinal symptoms. Patients with colds and coughs should eat a light diet, not fried, greasy or barbecued food, but easily digestible food. You can choose fresh vegetables and fruits, which are rich in vitamin C and are beneficial to the recovery of the disease.