The first hazard is that it may cause a high incidence of overweight and obesity, because cola contains a certain amount of sugar, and too much sugar will be stored in the form of fat in the body, which may cause a high incidence of overweight and obesity. The second hazard is that it may cause osteoporosis and cause back and knee pain, because cola contains a certain amount of phosphorus, and phosphorus has a very important impact on calcium metabolism, so if drinking cola causes excessive phosphorus intake, it will cause the loss of calcium in the bones, which may cause osteoporosis and cause back and knee pain and back and knee pain, endangering health.