Shoulder pain of pregnant women may be caused by frozen shoulder or lack of calcium, etc. Different causes of the disease choose the appropriate treatment as follows: 1. Frozen shoulder: it may be caused by poor lifestyle or weather changes, etc. Inflammation will stimulate the surrounding ligaments and tendons and damage the local skin, thus causing pain, which can be relieved by hot compresses; 2. Calcium deficiency: it may be caused by unbalanced diet or malnutrition, etc. Insufficient calcium will cause osteoporosis, and it is recommended to take calcium gluconate oral solution or calcium carbonate and other medications under the guidance of a doctor for relief. It is recommended to pay attention to rest, don’t have stress, healthy lifestyle habits, moderate exercise, avoid sitting for a long time or keep a posture for a long time. Reasonable planning of diet, regular obstetric examination, if any discomfort, should immediately seek medical attention.