Cramps clinically known as muscle spasms, its common treatment methods are stretching, massage, hot packs, etc., due to individual differences, there is no absolute fastest way. 1. Due to inadequate warm-up or excessive exercise caused by muscle contraction, spasm: this time should immediately sit down near the lower extremities in the help of others to straighten or localized massage, heat treatment, thereby improving blood circulation, relieve muscle spasm. 2. Lower limb cramps caused by osteoporosis: often occurring in middle-aged and elderly women, mostly at night, often waking up because of pain and spasm in the legs. At this time, you should straighten your lower limbs, use your hands to break the cramped legs and feet, and force upward, so that the knee joints can be straightened as much as possible, through the fight against spasm of the muscles can quickly relieve the cramps. If cramps occur frequently, you need to consult a doctor to find out the cause of the cramps. In your daily life, you should also pay more attention to increase the intake of calcium and vitamin D, as well as increase outdoor activities and pay attention to keep warm.