Have the right to use. Judging from the information about the hungry app, the red envelope of the exclusive food alliance of the hungry app cannot be used because it has the right to use it. Each red envelope needs to reach the amount indicated in the red envelope before it can be deducted. Some red envelopes are lunch or dinner red envelopes, so they can only be used for a fixed period of time. Some merchants have not opened the food alliance function. At present, these stores do not support the use of red envelopes.