Can be stewed together. It has the effect of nourishing yin and moisturizing the lungs, but it has basically no effect when used to remove acne. Moreover, people with acne should eat less sweets. There are several Chinese medicine classifications of acne. If it is spleen deficiency, lung dryness and heat type, this prescription is okay, but if it is damp heat type, it will be counterproductive. It's better to go find a Chinese medicine doctor.