Drinking alcohol after taking the cold capsule is not recommended, cold capsule is called aminocrystalline capsule, belongs to a kind of compound preparation, its composition is amino acid, caffeine, maleic acid, chlorpheniramine and artificial oxalic acid and other ingredients, mainly has the effect of anti-inflammatory, antipyretic, treatment of fever, weakness and pain of the periphery, it is the wind-heat type of flu, wind-cold type of flu commonly used broad-spectrum anti-flu medication. Drinking alcohol after taking the capsule will aggravate the adverse reactions and side effects of the drug, and the following adverse reactions will occur: 1, the emergence of peptic ulcer, vomiting blood, blood in the stool and so on. 2, can be added to increase the incidence of agranulocytopenia. 3, drinking alcohol after taking the capsule will be renal colic, especially in patients with renal hypoplasia, oliguria or hematuria will appear.