When the left hand moves, there are bones ringing, in fact, most of the joint capsule or ligament ringing, mostly due to physiological factors, joint trauma and tenosynovitis and other diseases can also cause the symptom. 1. Physiological factors: mostly due to joint laxity, hand movements within the capsule pressure changes produce popping, this symptom will occur, if there is no other discomfort, no joint deformity, muscle atrophy and other symptoms, usually do not need to pay attention. 2. Disease causes: If the hand joints have a history of trauma, joint injury, cartilage injury, tendon and ligament injuries, may also appear similar popping; long-term sports injuries can cause tenosynovitis, there may also be typical popping symptoms. These popping sounds are often accompanied by pain and discomfort. When you move your left hand, you may feel a bone ringing. After excluding physiological factors, you may consult a doctor to clarify the cause of the problem.