The pain in the soft ribs can be considered for the following reasons: 1. intercostal muscle strain: due to long working hours and improper sitting posture, such as often twisting the waist when working at a desk will cause an imbalance in the force on the intercostal muscles bilaterally, there will be a strain on one side of the intercostal muscles, manifested as soreness and pain on one side of the rib cage or rib area. 2. intercostal chondritis: the cause of intercostal chondritis is often unknown and may be related to mental stress stimulation or viral infection. The nature of the pain is often limited to a single rib. 3. Intercostal neuritis: mainly due to viral infection, the pain can be distributed and travel in a semi-circular pattern along one or two intercostal spaces, and the nature of the pain is mostly burning-like.