If the body is weak when you have a cold, you can take Chinese herbal medicine to regulate it, for example, Chinese medicine Cordyceps can treat kidney deficiency. In addition, you can take Scutellaria baicalensis, Astragalus, Radix et Rhizoma, Radix Angelicae Sinensis, Radix ginseng, Radix Codonopsis, and also Colla Corii Asini and Dazhong, all of which can treat the weakness caused by cold. From the point of view of western medicine, you can take medicines and foods that replenish physical energy when you have a cold, such as taking fruits and vegetables that are rich in vitamins and trace elements, and you can also take multivitamin preparations. In addition, you can also eat delicate meat from seafood, such as fish, shrimp and crab, and you can also take foods rich in amino acids and peptides, such as spleen polypeptide lyophilized powder, etc., all of which can treat weakness when you have a cold.