All-herb pills for curing asthma are prepared from common lantana leaves, roots or leaves of pilose triumfetta, foeniculi fructus, herba ephedrae, mentholum, sinuate tickclover roots, tetrastigma planicaule, Chinese leucas, Indian mockstrawberrg herbs, rhizoma paridis chinensis, wideleaf osbeckia roots, herbs of dwarf denseflower elsholtzia, lumbricus, human placenta, inula flowers, periostracum cicada, chaste tree fruits, negundo chaste tree fruits, China berry fruits, Szechwan China berry fruits, rock sugar and molasses. The preparation process comprises the steps that all the medicinal materials are smashed and mixed together, an adequate amount of honey is put and stirred, and the pills are prepared; all the combined medicinal materials have a good effect on curing the asthma. The all-herb pills for curing the asthma is wide in function, and the effects of diffusing the lung, depressing Qi, eliminating phlegm, relieving the asthma, relieving a cough, removing the phlegm, resisting bacteria, sterilizing, killing tuberculosis worms, diminishing inflammation, benefiting the lung and the like are achieved; obvious curing effects on acute bronchitis, cough and asthma relieving, chronic cough, chronic asthma, pulmonary emphysema, asthma and the like are achieved, and the cure rate reaches above 98 percent.