The science of Ayurveda involves 8 branches. In classics of Ayurveda, we do not find Bhaishajya Kalpana separately mentioned in any of its 8 branches because the essence of Bhaishajya Kalpana is scattered in all the eight branches of Ayurveda1. It involves preparation of various medicinal formulations told in Ayurveda. Bhaishajya is a substance or preparation used in the treatment of illness and Kalpana is the process employed for the preparation of pharmaceutical products. The Churna Kalpana is an upakalpana of Kalka Kalpana. Many poly herbal Ayurvedic formulations are processed in the form of churna. Among them, Hingvastaka churna possess a significant position among herbo mineral drugs. Hingvastaka churna is mentioned in Ashtanga Hridaya, Bhaisajya Ratnavali, Sarangadhara Samhita, Vangasena Samhita, etc. Most of the practitioners of Ayurveda use Hingvastaka churna as the prime drug of choice in Agnimandya. In this study, the different mode of action and preparation of Hingvastaka Churna has been described according to its therapeutic efficacy.