2. The main functions of licorice tablets are clearing away heat and toxic materials, relieving cough and resolving phlegm. It is used for bronchitis and emphysema, and sputum is not easy to cough up. If it is pharyngitis, you can take five tablets of licorice orally, and the effect is also very good. However, there is opium powder in the licorice tablets. Although the content of opium is not very high, it is recommended not to take it for a long time because it is addictive. Clinical application of licorice tablets should be based on personal physique, symptoms and signs, and correct medication under the guidance of doctors to avoid adverse consequences.