The pain in the calf after a cramp can be relieved by the following methods: 1. rest, avoid walking with weight on the ground as much as possible, use crutches if necessary. 2. apply a local hot compress to the painful part of the calf using a hot water bag or a hot towel for 15 minutes each time, 3-4 times a day. 3. perform appropriate self-stretching of the muscles of the calf. The method is to use both hands to trigger the palms of the feet in the state of knee flexion, gently and slowly stretch the muscles of the back of the calf to the dorsal side, through repeated stretching to relieve the spasm or adhesion. 4, oral anti-inflammatory and analgesic drugs and muscle relaxants, such as celecoxib, erexib or ethylprednisolone, etc.. You can also use topical anti-inflammatory and analgesic creams, such as fotarine ointment and ketoprofen gel, etc.