The position of Mercury in the sixth house of annual chart makes the person magnanimous and large hearted person. Enemies will become friends and support the native. There will be abundant profits in business. One will get popularity & fame in the society by sheer intelligence. Money will be spent on noble good deeds. Spiritual knowledge shall enhance. One will achieve higher education. One will be disciplined and follow religion and traditions. Writing, printing, agriculture, books and stationary etc business will be profitable.
If Mercury is afflicted either by aspect or conjunction with malefic planets, it is no more auspicious. It will make the native proud. He will speak sarcastically which will prove harmful for the native. Old friends will become hostile. There may be incidents of theft or tarnishing of image in the hands of servants. One may suffer eye, nerves & skin diseases.
To ward off the malefic effects of afflicted Mercury sitting in sixth house, one must perform some remedial & precautionary measures.