Display panel and crack detecting method thereof, display apparatus

A display panel, comprising a display region and a peripheral region surrounding the display region, the peripheral region being provided with a crack detection circuit structure, the crack detection circuit structure comprising a detection circuit wire and a first detection switching circuit,

• wherein the display panel comprises a first sub-pixel and a first data line electrically connected to the first sub-pixel, the first data line comprises a first end and a second end, the first end and the second end are two opposite ends of the first data line along an extending direction of the first data line,
• the detection circuit wire comprises a first end and a second end, the first end of the detection circuit wire is located at a side of the display region away from the first detection switching circuit, and the second end of the detection circuit wire is located at a side of the display region away from the first end of the detection circuit wire, the first end of the first data line is directly connected to the first end of the detection circuit wire,
• the first detection switching circuit comprises a thin film transistor, a source electrode of the thin film transistor is connected to the second end of the detection circuit wire, a drain electrode of the thin film transistor is directly connected to the second end of the first data line, the second end of the detection circuit wire is configured to receive a detection voltage.