It is not recommended. The food has a shelf life, expired food may be spoiled, bacteria growth, etc., after consumption may be harmful to human health. The expired red yeast powder may have odor, lumps, change color and so on, these are the red yeast powder deterioration performance. If you consume expired red yeast powder, it may cause gastrointestinal discomfort such as abdominal pain and diarrhea in the light case, and may cause food poisoning and other serious consequences in the heavy case. Therefore, in order to ensure food safety, it is recommended not to consume expired red yeast powder.