When cramps occur at the back of the thighs, straightening the thigh muscles and tensing them, followed by gentle massage, can usually provide relief. If necessary, use medication such as taking eperisone hydrochloride, etc. However, for frequent cramps that may be related to cold, lack of calcium in the body, lumbar disc herniation, etc., the treatment methods adopted include general treatment, medication and so on. For cramps at the back of the thigh, elevate the leg and apply leg pressure; apply hot compresses to the cramped area; and medication such as etoperisone hydrochloride can be used to relieve muscle spasms. Frequent cramps may be related to exposure to cold, lack of calcium in the body, and herniated discs in the lower back. Cold at night coupled with physical fatigue, easy to the back of the thigh cramps, you can keep your legs warm; lack of calcium can also lead to, you can eat foods high in protein such as milk, soy products; lumbar disc herniation acute stage can also be caused by the need for bed rest, massage, traction, and take medication, such as methylcobalamin, ibuprofen and so on. The back of the thigh cramps may also have other causes such as muscle strain, etc., it is recommended to go to the hospital in a timely manner to identify the cause of the disease, under the guidance of the doctor to give the corresponding treatment and treatment, the above drugs need to be used under the guidance of the doctor.