Massage of the calf is very painful may have lower extremity vascular disease caused, but may also be related to calf trauma, muscle strain, fasciitis and other reasons. 1. Calf trauma: if the calf is traumatized, causing muscle fiber rupture, the symptoms of calf swelling and pain can occur. 2. Muscle strain: If a large amount of exercise for a long period of time or exercise for too long, etc., it may cause spasmodic hard knots to form inside the muscle, which can also lead to pain symptoms when stimulated by massage. 3. Fasciitis: when suffering from fasciitis, there can be pain, muscle tension, spasm, movement disorders and other manifestations. There are other reasons for massage calf pain, if it continues to be unrelieved, it is recommended to go to the regular hospital in a timely manner, improve the examination to clarify the cause of the disease, standardized treatment under the guidance of the doctor, so as not to delay the condition.