The cold is a kind of cold, especially in the early winter, the temperature dropped dramatically, in the cold air under the stimulation, easy in the upper respiratory tract infection. The use of Andrographis paniculata drops can treat colds, that Andrographis paniculata drops effect is good? What are the effects? Andrographolide Drops, the active ingredient extracted from Andrographis paniculata, is equivalent in efficacy to Andrographis paniculata. Andrographis paniculata, has the effect of clearing away heat and removing toxins, cooling blood and reducing swelling. It is used in the treatment of acute bacillary dysentery, gastroenteritis, colds and flu, rheumatism, bronchitis, pneumonia, whooping cough, pulmonary tuberculosis, lung abscess, cholecystitis, hypertension, epistaxis, oropharyngeal swelling and pain, sores and carbuncles, scalded by fire and water and poisonous snake bite. Andrographolide contained in Andrographis paniculata is clinically superior to chloramphenicol and dysentery in its efficacy against bacillary dysentery, and has no side effects and toxicity. In vitro test, Andrographis paniculata decoction and the crude crystals isolated from it, are on the leptospirosis of some types of inhibition or killing effect, decoction of pneumococcus, Streptococcus a and Cattacoccus has a certain inhibitory effect. It can be seen that Andrographis paniculata Lactone Drops has a very strong bactericidal and anti-inflammatory effect. Therefore, using Andrographolide Drops to treat inflammation, or upper respiratory tract infections during colds is extremely effective. In addition, Andrographis paniculata drops are also used to treat acute and chronic bronchitis, viral pneumonia, tonsillitis, pharyngitis, acute gastritis, enteritis, and bacterial dysentery. Symptoms of cold and fever, sore throat, mouth and tongue sores, cough and headache, dysentery and diarrhea.