There are different symptoms in different periods of tuberculosis, not only seven symptoms, the most common symptoms are cough and fever. The main reason why patients with tuberculosis cough repeatedly is that chronic inflammation of the patient causes an increase in the secretion of the patient’s airway, and at the same time the patient’s airway can be stimulated by inflammatory factors, inflammatory cells or inflammatory mediators. The reason why patients with tuberculosis have fever is that when the tuberculosis grows and multiplies in large numbers in the body, tuberculinemia occurs and some toxins appear. The metabolites of these reproductions, tuberculin toxins, are then inside the bloodstream and act as a pyrogen, stimulating the body to produce fever. In addition, patients with tuberculosis may cough up sputum, cough up sputum with blood or hemoptysis. In addition, there are symptoms such as night sweats, weight loss and chest pain. The symptoms of tuberculosis are different at different stages of the disease, so if you feel any discomfort, you should go to the hospital for examination and treatment in a timely manner.