Chip voltage conversion system used for measuring pulse waves

The utility model discloses a chip voltage conversion system used for measuring pulse waves. The chip voltage conversion system used for measuring pulse waves is characterized in that multiple common power supply voltages are converted into medium conversion voltages, and the medium conversion voltages are converted into chip supply voltages which are commonly used in measurement of multiple pulse waves. The chip voltage conversion system used for measuring pulse waves comprises an alternating current switch power supply, a direct current booster, a direct current step-down transformer and a positive negative voltage converter. The chip voltage conversion system used for measuring pulse waves provided by the utility model solves a problem of management difficulty in various power supply demands existing in a pulse wave measuring device in the prior art.