A foul smell and strong odour in the urine is mostly considered to be a urinary tract infection, which is recommended to be treated after a routine urine examination at the hospital.
At the same time, you should drink more water, eat a light diet, avoid spicy and stimulating diet, avoid smoking and alcohol, it is recommended to pay attention to personal hygiene situation, especially local cleanliness. Change underwear regularly and try not to hold urine, etc.