Teacher Meng has a family history. His great-grandfather Meng Xiangbei was a famous master of mathematical geography in Hunan and Guangdong during the Republic of China. He was the first counselor of General Xue Yue. Since 13 years old, Mr. Meng has been studying mathematics and geography with his grandfather. He is proficient in four pillars and six hexagrams, physiognomy, Taoist magic, geomantic omen in Liu Ren and Kong Xuan, and dragon-seeking acupoints in ancestral esoteric geography. I learned the ancient Taoist internal alchemy method, and have a deep understanding and research on alchemy medicine and health preservation. He is willing to drive away diseases for people who are destined to benefit the people.