Cramps, also known as muscle spasms, are particularly common in daily life and are triggered by a lack of calcium in the body, the stimulation of wind and cold, or overexertion due to frequent heavy physical work. When cramps occur, it is recommended that patients consume calcium-rich foods and foods high in protein, such as milk, nuts, fresh vegetables and fruits, as well as animal liver, fish and shrimp. Pay special attention in daily life, try to drink less carbonated drinks to prevent calcium loss. Then the patient should also do appropriate physical exercise to enhance physical fitness, and then appropriate more sunshine to promote the absorption of calcium can be.