Ancestor altars are always placed in the highest, cleanest and most solemn place in the house (middle space for one-story houses, top floor for multi-storey houses). On the altar arranged in position from high to low (Large is on the high level and then gradually lowers). On the altar, place incense bowls, candlesticks, tablets or pictures of the deceased, and a place to light candles. Basic offerings cannot lack incense, flowers, and a bowl of water.