Thigh cramps in the morning can be seen in overworked patients who have experienced strenuous exercise the day before, or who have not warmed up well before exercise, plus have not rested well at night. In the case of adolescents or elderly people who are developing, thigh cramps can occur not only in the morning but also at night due to calcium deficiency, and the patient’s symptoms can be well relieved by supplementing calcium and will not last too long. If the patient does not pay attention to keep warm during the change of seasons and then there is a cold in the thighs, the local capillaries will contract during the cold and the muscles of the patient’s thighs will be deprived of oxygen and blood, leading to cramps in the morning. If there is no relief within a short period of time or if the symptoms continue to appear or are more frequent, then you must go to a regular hospital in a timely manner to further improve the relevant examination and choose a more scientific and reasonable treatment method after clarifying the cause, so as not to delay the condition.