The present invention provides a simulation down hole temperature pressure signal collection and display instrument. The instrument comprises a simulation temperature pressure signal generation module, a signal collection module, a serial sending module and an upper computer receiving and display module. The simulation temperature pressure signal generation module comprises a linear temperature pressure ROM data table and a DAC dual-channel conversion module, the linear temperature pressure ROM data table is stored in an mif file of an FPGA, the DAC dual-channel conversion module is configuredto circularly read data in the linear temperature pressure ROM data table according to a channel sequence and output corresponding formation temperatures and voltage values corresponding to formationpressures; the signal collection module comprises an analog-digital converter connected with a microcontroller, the microcontroller controls the analog-digital converter to collect the formation temperatures and the voltage values corresponding to the formation pressures, extract temperature data and pressure data from the formation temperatures and the voltage values corresponding to the formation pressures according to the channel sequence in real time and send the temperature data and the pressure data to the serial sending module; and the upper computer receiving and display module is configured to decode and display the temperature data and the pressure data in real time.