Liu Erhong's fish glue is valuable for collection. Its output is relatively low, mainly concentrated in a few areas such as Indonesia, and it is a rare collection. In addition, Liu Erhong's fish glue has a high position in traditional Chinese medicine, which is considered to have the effects of nourishing health and beauty beauty, which also increases its collection value. In addition, its meat is delicious, its taste is smooth and its nutritional value is rich, which makes Liu Erhong mouth fish glue a high-quality food.

Therefore, it can be considered that Liu Er's red-billed fish glue has collection value.