Frequency measurement is one of the key technicals of the electronic measurement field, and the digital frequency meter is an indispensable measuring tool for measuring technology engineering personnel. Nowadays, digital frequency meters are indispensable components in daily appliances such as televisions, refrigerators, washing machines, and other smart home appliances. Therefore, the measurement range of digital frequency meters is becoming wider, and their design structures are becoming increasingly complex. Digital frequency meters play a crucial role in developing electronic products as a whole. Use the Very High-speed Hardware Description Language (VHDL) in Electronic Design Automation(EDA)technology to simulate and verify the digital frequency meter. Through simulation analysis, design the measurement circuit of the digital frequency meter and verify its accuracy. In the design process of a digital frequency meter, its function is to measure SIN signals, unit pulse signals, and the frequency range of various signals, achieved by collecting physical quantities within a unit of time.