Early symptoms of squamous cell carcinoma of the larynx are pain in the throat area, cough and sputum. If the malignant tumor continues to grow, the patient’s voice will gradually become hoarse and symptoms of local pain will appear. Early tumors that invade blood vessels and rupture the blood vessels leading to bleeding may show bloody sputum or sputum with blood in it. After the malignant tumor continues to grow and invades the vocal cords to appear new organisms and grows gradually, the patient’s voice will become hoarse gradually. When the tumor forms local ulcers or irritates local nerves, it can cause reflex local pain, such as earache or headache. In addition, large tumors that block the vocal folds may cause shortness of breath, such as labored breathing or wheezing. Squamous cell carcinoma of the larynx cannot be diagnosed only by symptoms, if you feel unwell, you should go to the hospital in time, complete laryngoscopy and other examinations to make a clear diagnosis, and treat it positively, so as to avoid delaying the condition.