The sciatic nerve is located in the buttocks of the body, starting at the lumbar spinal cord and ending at the heel. The sciatic nerve is the largest nerve in the body and it has the ability to innervate movement and sensation in the area it belongs to. The sciatic nerve is symmetrical and usually emanates from the lumbar region, travels downward, slowly extends to the buttocks, then passes out through the pyriform muscle hole and travels down the back of the thigh until it reaches the back of the knee. It is mainly divided into the common peroneal nerve and the tibial nerve, the tibial nerve continuing to travel down to the plantar aspect of the foot, and the common peroneal nerve traveling down around the anterior aspect of the calf. Therefore, the sciatic nerve is mainly distributed in the lower limbs, with the role of innervating the lower limbs of the motor sensation. Daily attention should be paid not to sit for a long time, in order to prevent pressure on the sciatic nerve, or even cause damage, it is recommended to often stand up and walk around. If there is any discomfort, it is recommended to consult a doctor in time for examination and targeted treatment.