It is usually not recommended to drink protein powder after drinking alcohol, because the ethanol and acetaldehyde in alcohol will make the protein in protein powder, resulting in its secondary failure of the effect, such as drinking protein powder after drinking alcohol will make the protein powder secondary failure, which is not conducive to the absorption of protein powder and protein. After drinking alcohol will cause damage and burning to the esophagus and gastric mucosa. Long-term drinking protein powder after drinking alcohol, because protein powder also belongs to certain acidic metabolites, will increase the burden and load of the gastrointestinal tract, resulting in increased load on the gastrointestinal tract, which is not only detrimental to the absorption and digestion of protein, but also causes greater damage to the gastrointestinal mucosa. After drinking alcohol will cause a certain burden on the liver and kidneys, because the liver to secrete the enzymes of alcohol, the kidneys to carry out the decomposition, metabolism and filtration of alcohol, drinking protein powder will increase the load on the liver and kidneys in the body.