Urine feels hot is generally referred to as a burning sensation in the urethra when urinating, common causes are: urinary tract infection, fever, urethral stones and so on. 1. Urinary system infection: bacterial invasion of the urethra triggered urethritis, urethral mucosal congestion and swelling, as well as cystitis and other inflammatory diseases of the urinary system, resulting in urine concentration, urine will appear yellowish in color, temperature increases, while the human body defecation of urine stimulation of the urethral mucosa, resulting in burning sensation, the feeling of burning urine. 3. Fever: the patient’s body temperature rises due to various reasons, and when the body temperature rises, the temperature of urine may also rise. Therefore, the urine may feel hot during urination. 4. Urethral calculi: Urethral calculi may form urethral blockage, or even trigger urinary tract inflammation, forming an irritation to the urethral mucosa when urinating, and there will also be a feeling of hot urine. If the urethra burning sensation when urinating, it is recommended to go to the hospital to clarify the cause of the disease by a professional physician to do targeted treatment.