Variant cough should refer to cough variant asthma, belongs to the Chinese medicine croup, cough and other categories, according to the different types of evidence can be used to regulate the shooting Gan Ephedra Soup, fixed wheezing soup, the three children to raise relatives soup and asthma solid root soup and other prescriptions. 1. Sagan Ephedra Soup: applicable to cold croup (asthma caused by cold phlegm stagnation). This formula consists of Radix et Rhizoma Gastrodiae, Ephedra, Semen Armeniacae, Semen Sclerotium, Ginger, Flos Daturae, Aster, Glycyrrhiza Uralensis, etc. It has the efficacy of warming the lungs and resolving the fluid in the lungs (promoting the flow of stagnant water and fluid through warming the lungs), and lowering the qi to dispel phlegm. This formula is contraindicated in patients with lung phlegm-heat syndrome. 2. Tingpian Tang: This formula is suitable for heat croup (asthma caused by phlegm-heat internalization). This formula consists of ephedra, almonds, astragalus, Sang Bai Pi, Fen Dong Hua, Su Zi, Han Xia, etc. It has the effect of promoting and lowering lung qi, clearing heat and resolving phlegm. This formula is contraindicated in patients with no internal phlegm-heat or deficiency of lung and kidney yin. 3. San Zi Nourishing Family Soup: For wind-phlegm croup syndrome (asthma caused by phlegm congestion and food stagnation). This formula consists of white mustard seed, suzi, and lycopodium, which are effective in warming the lungs, resolving phlegm, lowering qi, and eliminating food stagnation. This formula should not be used alone in cases of Qi deficiency. 4. Ping Asthma and Fixing the Origin Tang: For asthma caused by lung deficiency, this formula consists of Radix Codonopsis, Radix Astragali, Pseudostellariae aristata, Radix et Rhizoma Sedicata, Cordyceps Sinensis, Fructus Schisandrae chinensis, Fructus Schisandrae chinensis, Fructus Succoceae, and so on. This formula is contraindicated in patients with phlegm-heat and phlegm-dampness. The adverse effects of the above formula are not clear, and should be used under the guidance of a doctor; patients should not take the medicine on their own to avoid adverse effects.