MTB is a Hong Kong cattle (International) medical blockchain. The application of blockchain in the medical field has gradually increased at home and abroad. The touch of the blockchain has spread all over various industries, boosting the transformation and upgrading of traditional industries. At present, blockchain technology has been gradually applied in the medical field. As an emerging technology, it is subverting the business model and even the value chain of this industry. At present, it is only issued by official channels.