Some cracked tongues are congenital and usually remain unchanged without treatment, so there is no such thing as a self-healing condition. However, if the cracked tongue is caused by infection, low immunity, etc., further management and treatment is needed. In some people, there are cracks on the back of the tongue in different directions, in varying numbers, and of different shades and lengths, known as “furrowed tongue” or “fissured tongue”, which is a congenital muscular pattern rather than a disease, and does not require special treatment. Some people do not have cracks on their tongue, but when the hormone level decreases during menopause or when the body’s immunity is low, the tongue may crack, and then it is necessary to treat the factors that cause the tongue to crack. People with deep grooves on the tongue may experience mild inflammation due to bacteria and food residue retention, or even tongue pain. These people need to pay attention to keeping their mouths clean, rinsing their mouths after meals, and preventing debris from remaining.