Understanding and managing gradients is crucial in deep learning, especially during the training of neural networks. Gradients, which are derivatives of the loss function relative to network parameters, guide optimizers like Adam and SGD in updating weights. Issues such as vanishing and exploding gradients, which occur during backpropagation, can significantly hinder a network's ability to learn effectively. Vanishing gradients result in small updates that slow or stagnate learning, particularly in deeper networks, while exploding gradients lead to excessively large updates that destabilize training. Monitoring tools and indicators such as loss curves and gradient norms are essential for diagnosing these problems early. Solutions include gradient clipping, layer-wise gradient inspection, and choosing appropriate activation functions like ReLU over sigmoid or tanh to maintain gradient stability. Additionally, preventive strategies such as proper weight initialization, normalization, and learning rate tuning can help maintain healthy gradients throughout training, ultimately ensuring more reliable and efficient deep learning model convergence.