It is mainly caused by the invasion of cold evil, with heat at the top and cold at the bottom. Kidney deficiency causes fear, and lung deficiency causes sadness. It will lead to the so-called depression. If you treat it according to the treatment of depression, it will get worse and worse, which requires conditioning. The general method of traditional Chinese medicine is to use five-element balancing moxibustion for moxibustion. You can do moxibustion at home. Note Don't stay up late.