Cats usually cry to express their needs or dissatisfaction. If your cat cries because he needs something, like food, water, or a clean litter box, then you can try to fix the problem to help him stop crying. If your cat is crying because he is upset or fearful, holding him may not be the best option.
In this case, you can try to make it feel safe, such as providing it with a quiet place, or giving it Offer it something it likes, such as a toy or food. You can also try to observe its behavior to understand the reason for its crying. This way, you can find the best solution for it.