One corner of my lip has this small ball that hurts a lot and i have 2 cuts on my lips i want to know why this is happening

Need to examine: It would help to examine you. Without that there are a couple of likely causes: 1. Herpes simplex recurrence, i.e, cold sores. These will get better on their own. If it does not, see doctor for discussion about a prescription medication. 2. Vitamin deficiency. You may take any over the counter multivitamin tablet and that may resolve the matter. Wish you good health! - Have a diet rich in fresh vegetables, fruits, whole grains, milk and milk products, nuts, beans, legumes, lentils and small amounts of lean meats. Avoid saturated fats. Drink enough water daily, so that your urine is mostly colorless. Exercise at least 150 minutes/week and increase the intensity of exercise gradually. Do not use tobacco, alcohol, weed or street drugs in any form. Practice safe sex, if you have sex. Get HPV vaccine