Long hot compress time or high temperature, physical fatigue and other reasons.

1, hot compress time is too long or temperature is too high. Reason: The hot compress time of red bean package is too long or the temperature is too high, which may cause irritation to skin and subcutaneous tissue, lead to local tissue fatigue, and thus cause physical weakness.

2, physical fatigue reasons: if the body itself is already very tired, and then hot compress red bean bags, may lead to more fatigue and weakness.