Try not to drink longan and red date soup when you have a cold. Because the main raw materials of longan and red date soup include dried red dates, longan meat, etc., dry longan is very hot and should not be eaten by anyone with a constitution of internal heat due to yin deficiency or suffering from thermal diseases. Especially those who have phlegm, cough, sore throat, and excessive stomach acid during a cold should not drink longan and red date soup; young people with strong physiques should also drink less when they have a cold to avoid getting angry